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BLACK+DECKER String Trimmer with Auto Feed, Electric, 6.5-Amp, 14-Inch (BESTA510)

4.5 4.5 out of 5 stars 14,853 ratings
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Amazon's Choice in String Trimmers by BLACK+DECKER

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String Trimmer

Purchase options and add-ons

Brand BLACK+DECKER
Power Source Corded Electric
Color black
Item Weight 6.3 Pounds
Cutting Width 14 Inches

About this item

  • Automatic Feed Spool (AFS) technology of the edger/trimmer eliminates bumping for hassle-free line feeding that helps you work without interruptions
  • The 6.5 amp motor and POWERDRIVE Transmission of the grass cutter provide maximum performance when trimming through the toughest weeds, grass, and overgrowth
  • 2-in-1 trimmer/edger with wheeled edge guide - just rotate to convert from lawn trimmer to wheeled edger
  • Lightweight design with adjustable handle and height positions provide maximum comfort and control
  • Cord retention system prevents accidental cord disconnection
  • 14-inch cut path gets the job done fast. Rpm : 8000rpm

Customer ratings by feature

Easy to assemble
4.6 4.6
Light weight
4.4 4.4
Maneuverability
4.4 4.4
Easy to use
4.3 4.3

Frequently bought together

$49.00
Get it as soon as Wednesday, Mar 27
In Stock
Ships from and sold by Amazon.com.
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$17.95
Get it as soon as Wednesday, Mar 27
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BLACK+DECKER String Trimmer with Auto Feed, Electric, 6.5-Amp, 14-Inch (BESTA510)
BLACK+DECKER String Trimmer with Auto Feed, Electric, 6.5-Amp, 14-Inch (BESTA510)
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Price-23% $49.00
List:$64.00
-8% $44.99
List:$49.00
$79.98$89.99$69.99$89.99
Delivery
Get it as soon as Wednesday, Mar 27
Get it as soon as Wednesday, Mar 27
Get it as soon as Wednesday, Mar 27
Get it as soon as Wednesday, Mar 27
Get it as soon as Friday, Mar 29
Get it as soon as Thursday, Mar 28
Customer Ratings
Light weight
4.4
4.5
4.7
4.4
4.5
4.4
Easy to assemble
4.6
5.0
4.4
4.9
4.4
Maneuverability
4.4
4.4
4.1
4.3
4.1
Easy to use
4.3
4.5
4.1
4.7
4.1
Battery life
3.9
4.1
3.9
Sold By
Amazon.com
Amazon.com
Amazon.com
MAXLANDER
HEYWORK
MAXLANDER
power source
Corded Electric
Corded Electric
Manual
Battery Powered
Cordless Electric
Battery Powered
cutting width
14 inches
13 inches
12 inches
10 inches
9.1 inches
12 inches
speed
8000 rpm
3000 rpm
8000 rpm
assembly required

From the manufacturer

BLACK+DECKER 6.5 Amp 14 in. AFS Electric String Trimmer/Edger

BLACK+DECKER 6.5 Amp 14 in. AFS Electric String Trimmer/Edger

Featuring 2 lawn tools in 1 convenient package, this Electric String Trimmer/Edger makes it easy to maintain your yard. The AFS AUTOMATIC FEED SPOOL keeps the trimmer line moving smoothly, which means no bumping for you, and the corded design with torque-boosting POWERDRIVE Transmission promises unlimited power, no matter how long the job takes.

Features and Benefits of the BLACK+DECKER 6.5 Amp 14 in. AFS Electric String Trimmer/Edger

Integrated Cord Retention

2in1 Design

AFS AUTOMATIC FEED SPOOL

INTEGRATED CORD RETENTION

Prevents unintentional unplugging for uninterrupted power.

2in1 DESIGN

Easily converts for use as a corded trimmer or wheeled edge trimmer.

AFS AUTOMATIC FEED SPOOL

Eliminates constant stopping and starting while trimming by smoothly feeding trimmer line with no bumping required.

Looking for specific info?

Product information

Warranty & Support

Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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BLACK+DECKER

BLACK+DECKER String Trimmer with Auto Feed, Electric, 6.5-Amp, 14-Inch (BESTA510)


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Product guides and documents

Product Description

Take on tough weeds, grass, and overgrowth with this BLACK+DECKER 6.5 Amp 14-inch AFS Electric Edge Trimmer. With the edging wheel, you can put the finishing touches on the edges of your lawn around driveways, sidewalks, and flower beds. Automatic Feed Spool technology of BLACK+DECKER trimmer eliminates bumping for more string, and a cord retention system helps prevent accidental disconnection while working.

Customer reviews

4.5 out of 5 stars
4.5 out of 5
14,853 global ratings

Customers say

Customers like the quality, performance, ease of assembly, weight and value of the string trimmer. For example, they mention it's the best grass trimmer they have used to date, it gets the job done and it'll cut through the toughest grass. They appreciate the value for money saying it'd be a superior tool for their time and money. Customers are also happy with the power.

AI-generated from the text of customer reviews

731 customers mention516 positive215 negative

Customers like the quality of the string trimmer. For example, they say it's the best grass trimmer they have used, it'll cut through the toughest grass, foliage, and plants, and it'd make a great weed whacker. Some mention that the quality is decent and that they like the handling of the trimmer, especially the edger wheel.

"This is a powerful machine that cuts well. It is easy to maneuver and to change from one angle to another. All the features are user friendly...." Read more

"...It's easy to handle and easy to adjust.It's light, cheap, and powerful. Way better than I needed or expected...." Read more

"...It was easy to change and get right back to work. The line is pretty flimsy, but the spools are cheap and I bought a 12 pack and was ready for..." Read more

"...The quality is decent. It came with a spool of line, but if you have a large yard… beware, you will need to buy more...." Read more

555 customers mention440 positive115 negative

Customers like the performance of the string trimmer. They say that it works well, the feed works flawlessly, and the slot on the trimmer uses a very effective solution for ensuring you won't have to put gas in. They also mention that it gets the job done and is powerful. Some say that the auto feed works great and that it does the job with no complaints or issues.

"...It's light, cheap, and powerful. Way better than I needed or expected...." Read more

"...The power cord plug-in slot on the trimmer uses a very effective solution for ensuring you won’t accidentally disconnect the cord from the weed..." Read more

"...property for almost six hours and this unit did the job with no complaints or issues...." Read more

"...So again, that is why I decided to go with a corded. This one works well and I love the wheel that helps guide you along the cement to make nice..." Read more

478 customers mention442 positive36 negative

Customers find the string trimmer easy to assemble. They mention it's simple to put together and start. Customers also appreciate the edger wheel, which makes edging really easy. They say the trimmer is fairly light weight and the turning it to standard position is easy.

"...A weed-eater is a pretty simple mechanism, so I took a chance and it seems to have paid off...." Read more

"...It's easy to handle and easy to adjust.It's light, cheap, and powerful. Way better than I needed or expected...." Read more

"...It is small, lightweight, and easy to use. Due to the size, it may pose a problem for someone of tall stature.The quality is decent...." Read more

"...Assembly was easy. The adjustable handle makes it easy to maintain an effective grip while using it. You really can’t beat the price point...." Read more

346 customers mention311 positive35 negative

Customers like the weight of the string trimmer. For example, they mention it's light weight, easy to use, and has good speed and power. Some say it looks well made.

"...Oh, and did I mention this thing is super-light?..." Read more

"...It's easy to handle and easy to adjust.It's light, cheap, and powerful. Way better than I needed or expected...." Read more

"...It is small, lightweight, and easy to use. Due to the size, it may pose a problem for someone of tall stature.The quality is decent...." Read more

"It's easy to use ... not heavy and the string feeds itself no need to to bump the reel .." Read more

300 customers mention250 positive50 negative

Customers like the value of the string trimmer. They mention that it's a value-oriented work horse product, and a superior tool for their time and money. They also appreciate the design and construction, which are eminently appropriate for the price.

"...to me, but needs to get done, and to have gotten a superior tool for my time and money. I'd call it my Best Buy of the year so far...." Read more

"...is very easy and replacement spools are readily available and reasonably priced. Ira from NC" Read more

"...You really can’t beat the price point. It’s an excellent value and definitely worth it if you’ve got a small space within range of a power outlet." Read more

"Good price. Cuts great. easy to use. Nothing bad I can say." Read more

189 customers mention178 positive11 negative

Customers are satisfied with the power of the string trimmer. They mention that it has good power, enough to do anything around the yard, and is a great edger. It has enough power to cut through thick grass and weeds, and it's reliable and clean. Some say that it'll be better than battery operated.

"This is a powerful machine that cuts well. It is easy to maneuver and to change from one angle to another. All the features are user friendly...." Read more

"...This thing has more power than I ever remember my old electric B&D weed eater having and is kind of overkill for the little 50sqft area I need it for..." Read more

"...He likes it! Says it's a lot more powerful than the last weed-eater he bought...." Read more

"Used just 2 times but good so far.Plenty power." Read more

203 customers mention75 positive128 negative

Customers are mixed about the auto feed of the string trimmer. Some mention that it's a real plus, while others say that it causes profligate line use.

"...Sometimes it works and sometimes not. Auto-feed is especially problematic when trimming around trees where I don't want to cut the bark...." Read more

"...The quality is decent. It came with a spool of line, but if you have a large yard… beware, you will need to buy more...." Read more

"...Maybe it was just old, but the auto-feed didn't work well, the line was always running out, and I spent more time rewinding the spool than cutting..." Read more

"...Dislikes:1. Automatic line feed causes absolutely profligate line use which you cannot control! In use, you WILL NOT have enough line...." Read more

110 customers mention40 positive70 negative

Customers are mixed about the ease of cutting. Some mention that it cuts tall thick weeds with ease, while others say that it goes through string kind of quickly.

"...started using this string trimmer I found that the automatic line feed was feeding line too fast, so fast that much of the time so much of the line..." Read more

"...It is as shown in the video. It is very easy to use and the lawn is trimmed very neatly...." Read more

"...And it seems like it goes through string kind of quickly, but you can get aftermarket string very cheaply." Read more

"...If having the wheel along the edge of the sidewalk it cuts too far into the grass...." Read more

Comments on modifications to BESTA510 string trimmer
4 Stars
Comments on modifications to BESTA510 string trimmer
When I started using this string trimmer I found that the automatic line feed was feeding line too fast, so fast that much of the time so much of the line was being fed that it was being cut off by the guard cut off blade. This is an unacceptable waste of line. Upon examining the mechanism for the automatic line feed I found that there is a lever assembly that is supposed to swing outward due to increased centrifugal force, thus releasing the spool to feed one increment of line, when the motor speeds up as the line gets too short due to cutting use. In the case of this string trimmer, centrifugal force, which causes the lever to swing out was acting too quickly thus causing the problem. I have modified the design of my line trimmer by placing at 3 mm diameter coil compression spring that is 12 mm long between the arm of the lever and spool housing and gluing it in place with spot of epoxy cement. The spring slightly resists the centrifugal force so that the lever swings at the right time and the right amount. Now the automatic line feed works perfectly. (see image of the modified lever assembly)I also found that the cord retainer did not always prevent accidental disconnection of the extension cord I was using. So I have used different method to prevent disconnection. After I pass an extension cord loop through the handle slot, I pass the cord plug through the loop before I plug the cord into the handle. This is easy to do and works without fail to prevent accidental cord disconnection. ( see image of cord retained in this way)The plug on this extension cord (a replacement plug) has a diameter that is rather large and it had trouble fitting in the recess in the line trimmer handle and I found I had to remove a little plastic from the diameter of the recess in handle to get the plug in easily. I did this with Dremel tool. I note that I have a Black and Decker electric hedge trimmer and its recess is quite large enough for any extension cord plug.I find the BESTA510 string trimmer is easy to use and really cuts well through the toughest grass, foliage and plants that I need to cut down. I also find that the edging wheel that is meant to be used in edging also works very well as a protective guide when trimming up to a wire fence or some other obstacle that would tend to cut off the line. The wheel then prevents getting cutting head too close thus preventing the fence wire from cutting off the end of the line.
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Top reviews from the United States

Reviewed in the United States on June 4, 2023
Style: String TrimmerVerified Purchase
53 people found this helpful
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Reviewed in the United States on July 17, 2023
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26 people found this helpful
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Reviewed in the United States on December 29, 2023
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6 people found this helpful
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Reviewed in the United States on September 4, 2023
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13 people found this helpful
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Reviewed in the United States on June 14, 2023
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Reviewed in the United States on February 11, 2024
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Top reviews from other countries

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Daniel G
5.0 out of 5 stars Buen desempeño
Reviewed in Mexico on April 29, 2023
Style: String TrimmerVerified Purchase
Amazon Customer
3.0 out of 5 stars Weed eater
Reviewed in Canada on October 26, 2022
Style: w/ (3) replacement spoolsVerified Purchase
M. Smith
5.0 out of 5 stars Great Trimmer. Far Better than I expected!
Reviewed in Canada on July 7, 2021
Style: String TrimmerVerified Purchase
5 people found this helpful
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José Cayetano Ornelas Ruiz
5.0 out of 5 stars Cumple ampliamente su propósito
Reviewed in Mexico on October 11, 2022
Style: String TrimmerVerified Purchase
Ivan Morales
4.0 out of 5 stars Buena pero ...
Reviewed in Mexico on October 23, 2023
Style: String TrimmerVerified Purchase