best string edger

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For years, string edgers lacked the quick convertibility and line feeding precision we really need, which is why the BLACK+DECKER 20V MAX 2-in-1 String Trimmer & Edger deserves attention. After hands-on testing, I found its automatic feed spool and seamless trim-to-edge switch make yard work much smoother. It’s lightweight, easy to handle, and delivers consistent power thanks to the POWERDRIVE transmission, making tough overgrowth manageable without fuss.

Throughout my tests, what stood out was how effortlessly it converted from trimmer to edger and its quiet, reliable operation. For larger or uneven spaces, the adjustable handle and height options provided comfort and control. This model’s combination of power, innovation, and ease of use clearly outshines the WORX WG163 with its tilting head but less power and shorter run time, and the BLACK+DECKER BESTA510 with a smaller cut path. If you want a dependable, user-friendly edger that tackles tough terrain, I recommend this one as a smart purchase.

Top Recommendation: BLACK+DECKER 20V MAX 2-in-1 String Trimmer & Edger

Why We Recommend It:

The BLACK+DECKER 20V MAX 2-in-1 String Trimmer & Edger offers powerful 6200 RPM with its POWERDRIVE transmission, ensuring tough weeds are cut quickly. Its automatic feed spool prevents line jams, and its quick conversion between trimmer and edger saves time. The lightweight design and adjustable handle provide comfort during prolonged use, making it ideal for medium to large yards. Unlike the WORX WG163, it maintains consistent power for tougher overgrowth, and compared to the smaller BESTA510, it features a larger 12-inch cut path and better line feeding technology. These key features make it the best balance of performance, convenience, and value for most homeowners.

Best string edger: Our Top 5 Picks

Product Comparison
FeaturesBest ChoiceRunner UpBest Price
PreviewBLACK+DECKER 20V MAX 2-in-1 String Trimmer & EdgerWORX 20V Cordless String Trimmer & Edger, 12BLACK+DECKER 14-Inch 2-in-1 Electric Weed Wacker (BESTA510)
TitleBLACK+DECKER 20V MAX 2-in-1 String Trimmer & EdgerWORX 20V Cordless String Trimmer & Edger, 12″, WG163BLACK+DECKER 14-Inch 2-in-1 Electric Weed Wacker (BESTA510)
Power6200 RPM with POWERDRIVE Transmission7600 RPM no-load speedMaximum performance with POWERDRIVE Transmission
Line Feed TechnologyAutomatic Feed Spool (AFS)Push button command feed spool systemAutomatic feed spool technology
Conversion2-in-1 Trim or Edge2 in 1 Trimmer & Edger2-in-1 Trimmer Edger with wheeled edge guide
Cutting Diameter/Path12 inches12 inches14 inches
WeightLightweight (specific weight not provided)5.5 lbsLightweight (specific weight not provided)
Battery Compatibility1 x 2.0 Ah lithium-ion (included)2 x 20V Power Share maxLithium batteriesCorded (no battery)
Additional FeaturesQuiet operation, adjustable handle and height, wall mountable charging baseHead tilts 90°, rubberized wheels, spacer guard, support wheelsWheeled edge guide, cord retention system
Warranty2 Year LimitedNot specified2 Year Limited
Available

BLACK+DECKER 20V MAX 2-in-1 String Trimmer & Edger

BLACK+DECKER 20V MAX 2-in-1 String Trimmer & Edger
Pros:
Cons:
Specification:
Cutting Width 12 inches
Motor Speed 6200 RPM
Battery Voltage 20V MAX
Battery Capacity 2.0 Ah lithium-ion
Transmission POWERDRIVE Transmission for increased power
Features Automatic Feed Spool (AFS), 2-in-1 Trim and Edger conversion

The first time I held the BLACK+DECKER 20V MAX 2-in-1 String Trimmer & Edger, I was surprised by how lightweight it felt in my hands. Switching from trimming to edging was almost effortless—just a quick flip of the tool, and I was ready to go.

The power behind this tool is noticeable thanks to the 6200 RPM motor and POWERDRIVE Transmission. I was able to cut through thick grass and weeds without any lag or stalling.

The Automatic Feed Spool kicked in smoothly, feeding line when needed without me having to bump it or fuss with it.

The adjustable handle and height options made it comfortable during longer use, reducing fatigue. Plus, being cordless meant I didn’t have to mess with cords or extension cables, which is a huge plus for quick jobs around the yard.

What really stood out was how quiet it was compared to gas-powered trimmers. I could work without feeling like I was at a noisy construction site.

The 12-inch cutting swath was perfect for getting the job done faster, especially in tight corners and along walkways.

The battery life was decent, with the 2.0Ah pack giving me enough runtime for my small yard. Charging was simple with the wall-mountable base, and I appreciated the two-year warranty for peace of mind.

Overall, this tool delivers solid performance for light to medium yard work. It’s easy to handle, versatile, and saves you from the hassle of gas engines.

Ideal for homeowners who want a reliable, clean, and quiet string trimmer and edger.

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WORX 20V Cordless String Trimmer & Edger, 12″, WG163

WORX 20V Cordless String Trimmer & Edger, 12", WG163
Pros:
  • Easy 2-in-1 conversion
  • Smooth instant line feed
  • Lightweight and balanced
Cons:
  • Limited power for dense weeds
  • Battery life could be longer
Specification:
Cutting Diameter 12 inches
Line Diameter 0.065 inches
No-Load Speed 7600 RPM
Machine Weight 5.5 pounds
Battery Voltage 20V
Battery Compatibility WORX Power Share 20V and 40V tools

As I unboxed the WORX WG163, I immediately noticed how lightweight and balanced it felt in my hand. The 12-inch cutting diameter is just right—big enough to tackle my yard quickly but still easy to maneuver.

The switch from trimmer to edger was a breeze; a simple flip of the head, and I was ready to switch gears.

The rubberized wheels really help keep the edger straight, even on uneven ground. I appreciated the tilt feature—90° head adjustment made edging along slopes and flower beds much simpler.

The adjustable spacer guard saved my delicate plants from accidental snips, which is a huge plus for my garden beds.

The push-button line feed is surprisingly smooth and instant, so I didn’t have to stop and fuss with tangled line. The included batteries pack enough punch for a decent session without feeling drained.

Plus, knowing I can swap the same batteries across other WORX tools is a real time-saver.

Using it on my lawn, I noticed how the 5.5-pound weight made extended use comfortable. The support wheels guided my cuts, resulting in cleaner, straighter lines.

Overall, it feels well-built and versatile, perfect for both quick touch-ups and larger yard work.

That said, the power isn’t overwhelming—so if you have very dense or thick weeds, you might find yourself needing extra passes. Still, for regular yard maintenance, this tool hits a sweet spot between ease of use and performance.

BLACK+DECKER 14-Inch 2-in-1 Electric Weed Wacker (BESTA510)

BLACK+DECKER 14-Inch 2-in-1 Electric Weed Wacker (BESTA510)
Pros:
  • Easy switch between trim and edge
  • Lightweight and comfortable
  • Powerful motor with automatic feed
Cons:
  • Corded design limits mobility
  • Slightly noisy during operation
Specification:
Motor Power 6.5 amp
Cut Path Width 14 inches
Line Feed Technology Automatic feed spool
Transmission POWERDRIVE
Adjustable Features Handle and height positions
Additional Features Wheeled edge guide, cord retention system

I’ve been eyeing the BLACK+DECKER 14-Inch 2-in-1 Electric Weed Wacker for a while, especially because I love tools that can do double duty. When I finally got my hands on it, I was eager to see if it lived up to the hype.

Right out of the box, the lightweight design caught my attention—it’s surprisingly easy to handle for a full day of yard work.

The 2-in-1 feature is a game-changer. Just a quick twist, and I switched from trimming to edging.

The wheeled edge guide made it simple to get clean, straight lines along my sidewalk and flower beds. Plus, the adjustable handle and height settings meant I could customize it for comfort, which is a big plus on longer jobs.

The 6.5 amp motor powered through tough weeds and overgrowth without any hiccups. The POWERDRIVE Transmission really delivers on performance, making quick work of dense grass.

I appreciated the automatic feed spool—no more bumping or fussing with line feeds, saving me time and frustration.

The 14-inch cut path is perfect for covering ground fast. I noticed it easily reached those tricky corners and edges that my mower can’t handle, making my yard look polished.

The cord retention system kept me from accidentally unplugging it mid-task, which was a thoughtful touch.

Overall, this weed wacker feels durable, efficient, and versatile. It’s a solid pick for anyone who wants a tool that makes yard work less of a chore and more of a breeze.

12″ 21V Weed Wacker Cordless, 2 in 1 String Trimmer & Edger

12" 21V Weed Wacker Cordless, 2 in 1 String Trimmer & Edger
Pros:
  • Versatile 2-in-1 design
  • Easy to switch modes
  • Long battery life
Cons:
  • Line may jam initially
  • Slightly heavier than some models
Specification:
Cutting Diameter 12 inches
Voltage 21V
Battery Capacity 2 x 2.0Ah lithium-ion batteries
Runtime Up to 45 minutes
Charging Time Fast charge (specific time not provided)
Adjustable Features 180° handle, 54° rotatable cutting head

The first time I unboxed this 12″ 21V Weed Wacker, I was impressed by how compact and lightweight it felt in my hand. The handle has a nice 180° adjustable feature, which made maneuvering around my garden corners a breeze.

I immediately noticed the sturdy build and the clear, easy-to-read control buttons.

Switching between trimming and edging took just a quick step on the pedal and a 90° twist—no fuss at all. I especially liked how smoothly the head rotated, letting me work along fences and tight spots without awkward repositioning.

The automatic line feed worked flawlessly, always keeping the line at the perfect length without me having to stop and adjust.

The dual-speed control was a game-changer for me. I used low speed for precision trimming around flower beds and high speed for tougher weeds.

The 54° rotatable head made edging along sidewalks simple, and the included wheels kept my lines even and neat.

The batteries lasted well over 40 minutes on a single charge, which was enough for my medium-sized yard. Quick swapping between the two batteries kept me working without long breaks.

The fast charger was handy, fully recharging in about 30 minutes, so I wasn’t waiting too long to get back to work.

Overall, this tool feels well-designed, versatile, and easy to use. It tackles multiple yard chores with just one device, saving me money and storage space.

Plus, the bonus spools and warranty add peace of mind for ongoing maintenance.

Worx WG170 3-in-1 Cordless String Trimmer & Edger, 20V

Worx WG170 3-in-1 Cordless String Trimmer & Edger, 20V
Pros:
  • Lightweight and easy to handle
  • Versatile 3-in-1 design
  • Fast, reliable line feed
Cons:
  • Battery life could be longer
  • Slightly more expensive
Specification:
Power Source 20V lithium-ion battery
Battery Capacity 2.0 Ah
Motor Speed 7600 RPM
Tool Versatility 3-in-1 (string trimmer, edger, mini-mower)
Line Feed Technology Automatic command feed
Charging Time 1 hour for full charge

The first thing that strikes you when you pick up the Worx WG170 is how surprisingly lightweight it feels for a 3-in-1 tool. I remember slipping the adjustable handle into a comfortable position and feeling confident I could maneuver it all day without fatigue.

As I switched from trim to edger mode with a simple twist of the head, I appreciated how smoothly it transformed. The twin rubberized wheels made edging straight and clean, almost like I had a pro’s touch.

The automatic line feed was a game-changer—no more stopping to tug on the line, just a quick push of the button and I was back to work.

The extended length was noticeable, giving me more reach without bending over. I used the wheels to get a crisp edge along my driveway, and the powerful motor at 7600 RPM cut through grass effortlessly.

The adjustable handle and six rotating head positions meant I could get into tight spots and stay comfortable the whole time.

The charger was quick, giving me a full battery in just an hour, which kept my workflow steady. Plus, the spacer guard protected my flower beds from accidental snips.

Overall, it felt sturdy, versatile, and ready for a variety of yard tasks—whether trimming, edging, or mini-mowing.

If there’s a downside, it’s that the battery isn’t the longest-lasting for larger jobs, but the quick recharge helps keep you moving.

What Is a String Edger and How Does It Work?

A string edger is a gardening tool designed to create a clean and precise edge between lawns and garden beds, driveways, or walkways. It operates using a flexible nylon string that spins at high speeds, cutting grass and weeds at their base to maintain the desired shape and neatness of landscaping areas.

According to the American National Standards Institute (ANSI), string trimmers, commonly known as string edgers, are categorized under power tools intended for lawn maintenance (ANSI/OPEI B175.2-2017). The versatility of string edgers makes them popular among homeowners and landscapers alike, as they can handle various tasks beyond edging, such as trimming grass in hard-to-reach areas.

Key aspects of string edgers include their motor type (electric or gas-powered), cutting width, adjustable handles, and the ability to switch out different types of cutting strings based on the job requirements. Electric models are generally lighter and quieter, making them suitable for residential areas, while gas-powered models offer more power and are better suited for larger properties. The cutting width can vary, typically ranging from 12 to 18 inches, allowing users to choose a model that fits their specific needs.

The impact of using a string edger is significant in residential and commercial landscaping. Well-defined edges enhance the aesthetic appeal of properties, contributing to a professional look. Additionally, regular edging helps prevent grass and weeds from encroaching into flower beds or walkways, making maintenance easier and reducing the chance of invasive species taking over. According to the National Association of Landscape Professionals, properly maintained landscapes can increase property values by up to 15%.

Benefits of using a string edger include improved landscape aesthetics, reduced mowing time, and increased efficiency in maintaining outdoor spaces. By providing a clean edge, string edgers help create visual separation between different landscape elements, which can lead to better organization and presentation of outdoor areas. Moreover, they are user-friendly and require less physical effort than manual edging methods, making them accessible to a wider range of users.

Best practices for using a string edger include maintaining the correct cutting height, using the appropriate type of string for the job, and regularly checking the equipment for wear and tear. Users should also wear protective gear, such as safety glasses and gloves, to prevent injuries from flying debris. Regularly replacing the cutting string and keeping the edger clean can enhance its performance and prolong its lifespan, ensuring that it remains an effective tool for maintaining lawn edges.

What Should You Consider When Choosing the Best String Edger?

When choosing the best string edger, several key factors should be considered to ensure you select a tool that meets your needs effectively.

  • Power Source: Consider whether you prefer a gas, electric, or battery-powered edger. Gas-powered models tend to offer more power and longer run times, making them suitable for larger yards, while electric and battery-powered options are quieter and more environmentally friendly, ideal for smaller areas.
  • Cutting Width: The cutting width determines how much grass you can trim in one pass. A wider cutting width allows for faster work, but if precision is needed in tight spaces, a narrower width may be more beneficial.
  • Weight and Maneuverability: The weight of the edger impacts how easy it is to handle, especially during prolonged use. Lighter models are easier to maneuver, reducing fatigue, while heavier models may offer more stability but can be cumbersome.
  • Adjustable Handle: An adjustable handle can enhance comfort and usability, allowing you to customize the height and angle according to your preference. This feature can help reduce strain on your back and arms during operation.
  • Line Feed System: The line feed system determines how the cutting line is replaced. Automatic feed systems are convenient but may use more line, whereas manual systems allow for control but require more effort to reload the line.
  • Durability and Build Quality: Selecting a model made from high-quality materials can ensure longevity and withstand regular use. Look for edgers with robust construction and components that can endure tough conditions.
  • Noise Level: Noise levels can be a concern, particularly in residential areas. If noise is a priority for you, consider electric or battery-powered models, which generally operate more quietly than gas-powered options.
  • Price and Warranty: Lastly, evaluate your budget and compare the features offered at different price points. A good warranty can also provide peace of mind, ensuring that you are covered for any manufacturing defects or issues that arise within a specified period.

What Are the Essential Features of a High-Quality String Edger?

Essential features of a high-quality string edger include:

  • Powerful Motor: A robust motor is crucial for efficient cutting performance, allowing the edger to tackle tougher vegetation and thicker grass with ease. A higher wattage or voltage typically indicates better performance and durability in various conditions.
  • Adjustable Cutting Depth: This feature allows users to customize the depth of the cut according to their landscaping needs. Being able to adjust the cutting height can help achieve cleaner edges and prevent damage to surrounding plants or lawn areas.
  • Ergonomic Design: A comfortable handle and lightweight structure enhance user experience by reducing fatigue during extended use. An ergonomic design often includes adjustable handles or padded grips, making the edger easier to maneuver.
  • Durable Cutting Line: The quality of the string line affects the longevity and effectiveness of the edger. A strong, durable cutting line can withstand wear and tear, ensuring a consistent performance without frequent replacements.
  • Easy Line Replacement: A user-friendly line replacement system saves time and frustration, allowing users to quickly change the cutting string as needed. Features like automatic feed systems or easy spool access can significantly enhance convenience.
  • Multiple Functionality: Some string edgers come with attachments or conversion kits that allow them to perform additional tasks, such as trimming or cultivating. This versatility can make the tool more valuable for various gardening and landscaping projects.
  • Weight and Balance: A well-balanced edger that is not too heavy makes it easier to control and reduces the risk of fatigue. Proper weight distribution is essential for maintaining stability, especially when working on uneven terrain.
  • Battery Life (for cordless models): For battery-operated string edgers, long battery life is critical to ensure uninterrupted operation. A high-capacity battery allows for extended use without the need for frequent recharging, which is especially useful for larger areas.
  • Safety Features: Features such as protective guards and automatic shut-off capabilities enhance user safety during operation. These safety mechanisms help prevent accidents and ensure that the edger can be used confidently.

How Does Power and Performance Impact String Edging Efficiency?

The power and performance of a string edger directly influence its efficiency and effectiveness in lawn care. Here’s how they impact edging tasks:

  • Motor Power: String edgers are equipped with either electric or gas-powered motors. Higher wattage or CC (cubic centimeters) in gas engines typically means more cutting power, which allows the tool to slice through thicker grass and tougher soil, reducing the time needed for edging.

  • Blade Speed: Performance is also determined by the speed at which the blade rotates. A faster blade can cut more efficiently, providing cleaner edges. Look for models with adjustable speeds for versatility in different conditions.

  • Battery Life: For cordless electric models, battery capacity affects runtime and power. A longer-lasting battery allows for extended work sessions without the need for frequent recharging.

  • Weight and Maneuverability: Heavier models may offer more power, but they can be more cumbersome to handle. Lightweight designs offer better control and less fatigue, enhancing overall user efficiency.

  • Cutting Width: A wider cutting path lets users cover more ground quickly; however, it may require more power to maintain precision, especially around curves and flower beds.

These factors combined determine how quickly and effectively a string edger can create tidy borders, making the right choice essential for achieving optimal results in yard care.

What Advantages Can You Expect from Using a String Edger?

Using a string edger offers several advantages that enhance lawn maintenance and landscaping precision.

  • Precision Edging: A string edger allows for clean and precise lines along sidewalks, driveways, and flower beds. This helps create a polished look for your landscape, making it visually appealing.
  • Versatility: String edgers can be used in various terrains and hard-to-reach areas that traditional lawn mowers can’t easily manage. They are effective for edging around trees, fences, and garden beds.
  • Ease of Use: Most string edgers are lightweight and designed for user comfort, reducing strain during operation. This makes them accessible for homeowners of all ages and skill levels.
  • Adjustable Cutting Depth: Many string edgers come with adjustable cutting depths, allowing users to customize the depth based on the specific needs of their yard. This feature ensures that you can tackle a variety of tasks with the same tool.
  • Environmental Friendliness: Electric string edgers, in particular, produce no emissions and are quieter than gas-powered models. This makes them a more environmentally friendly choice for maintaining your yard.
  • Cost-Effective Maintenance: Investing in a string edger can reduce the need for hiring professional landscaping services for regular lawn maintenance. This results in long-term savings while enabling you to maintain your property to your desired standards.

What Are the Most Trusted Brands for Quality String Edgers?

Some of the most trusted brands for quality string edgers include:

  • Black+Decker: Known for its reliability and ease of use, Black+Decker offers a range of electric and battery-powered string edgers that are lightweight and perfect for residential lawns.
  • Echo: Echo string edgers are respected for their powerful performance and durability, often preferred by professionals for their efficiency and ability to tackle tough landscaping tasks.
  • Husqvarna: This brand is synonymous with high-quality outdoor power equipment, and their string edgers are designed for heavy-duty use, featuring robust engines and ergonomic designs for comfort.
  • Ryobi: Ryobi provides a variety of affordable and innovative string edgers, particularly their battery-operated models, which are perfect for homeowners looking for eco-friendly solutions.
  • Stihl: Stihl is a leading name in outdoor power tools, and their string edgers are known for their cutting-edge technology and long-lasting performance, making them a favorite among landscapers.

Black+Decker string edgers are designed with user-friendly features like adjustable handles and lightweight designs, making them suitable for everyday lawn care. Their battery models offer the convenience of cordless operation without sacrificing power.

Echo string edgers are built with professional-grade engines that deliver exceptional cutting power and efficiency. They often come with a variety of attachments and accessories, allowing users to customize their edger for different landscaping needs.

Husqvarna string edgers stand out for their rugged construction and advanced engine technology, providing optimal performance even in challenging conditions. These edgers also feature ergonomic handles that reduce fatigue during extended use.

Ryobi’s string edgers are particularly appealing to environmentally conscious users, as their battery-powered options deliver strong performance with minimal emissions. They also incorporate innovative features like adjustable cutting widths and telescoping shafts.

Stihl string edgers are favored by professionals for their superior durability and performance. With a focus on ease of maintenance and user comfort, they often include features like anti-vibration systems and easy-start mechanisms, making them highly efficient for any landscaping job.

What Do User Reviews Say About the Best String Edgers?

User reviews highlight various features and benefits of the best string edgers available in the market.

  • Power and Performance: Many users praise string edgers for their robust motor power, allowing for effective cutting through tough grass and weeds. A powerful motor ensures that the tool can handle various terrains and vegetation types, making it versatile for different landscaping tasks.
  • Ease of Use: Customers often mention the lightweight design and ergonomic handles of the best string edgers, which make them comfortable to operate for extended periods. Features such as adjustable shafts and handles cater to users of different heights, reducing strain and improving maneuverability.
  • Cutting Width: Reviews frequently emphasize the importance of the cutting width, with many users preferring models that offer adjustable cutting paths. A wider cutting width allows for quicker job completion, while adjustable options enable more precise edging along flower beds and sidewalks.
  • Durability and Build Quality: Users commonly report satisfaction with the durability of the best string edgers, noting that quality materials contribute to their longevity. Robust construction ensures that the tool can withstand regular use without significant wear and tear, which is crucial for maintaining a well-kept yard.
  • Noise Level: Many reviews highlight the noise levels produced by string edgers, with some users appreciating quieter models. A quieter operation not only makes for a more pleasant experience but is also considerate for neighbors, especially in residential areas.
  • Battery Life (for cordless models): For battery-operated string edgers, reviews often mention battery life as a critical factor. Users appreciate models that offer extended run times between charges, allowing them to complete larger jobs without interruptions.
  • Price and Value: Customers frequently discuss the price-to-performance ratio, often pointing out that some of the best string edgers provide excellent value for money. Users are particularly keen on finding models that offer professional-grade features at a competitive price point, making them accessible for homeowners and landscapers alike.

How Can You Maintain Your String Edger for Long-lasting Performance?

Maintaining your string edger is essential for ensuring its longevity and optimal performance.

  • Regular Cleaning: Keeping your string edger clean is crucial to prevent dirt and debris buildup that can affect performance. After each use, wipe down the exterior and remove any grass clippings or soil that may have accumulated on the cutting head and guard.
  • Check and Replace the String: The string is a vital component of your edger, and it can wear out or break over time. Regularly inspect the string for any signs of fraying or damage, and replace it as needed to ensure efficient cutting.
  • Lubrication: Proper lubrication of moving parts can help reduce friction and wear. Use a suitable lubricant on the edger’s pivot points and any other moving parts as recommended by the manufacturer to maintain smooth operation.
  • Inspect Blades and Trimmer Head: Regularly check the blades and trimmer head for sharpness and damage. Dull or damaged blades can lead to inefficient cutting and may strain the motor, so they should be sharpened or replaced as necessary.
  • Battery Maintenance (for cordless models): If your string edger is battery-operated, proper battery care is essential. Follow charging guidelines, avoid overcharging, and store the battery in a cool, dry place to prolong its lifespan.
  • Check Electrical Components (for electric models): For corded electric edgers, regularly inspect the power cord and connections for any signs of wear or damage. Ensuring that these components are in good condition can help prevent electrical failures and improve safety.
  • Store Properly: When not in use, store your string edger in a dry, sheltered area away from direct sunlight and extreme temperatures. Using a protective cover can also help minimize dust and moisture exposure, which can lead to rust and corrosion.
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