Maintaining a neat and tidy lawn requires the right tools, and for many, that means a string trimmer. The spool of line is the heart of this tool, directly impacting its cutting efficiency and performance. Selecting the correct spool ensures your trimmer operates smoothly, tackles tough weeds effectively, and prolongs the life of your equipment.
Looking for the best String Trimmer Spools?
Discover now our comparison of the best String Trimmer Spools. It is never easy to choose from the wide range of offers. On the market, you will find an incalculable number of models, all at different prices. And as you will discover, the best String Trimmer Spools are not always the ones at the highest prices! Many criteria are used, and they make the richness and relevance of this comparison.
To help you make the best choice among the hundreds of products available, we have decided to offer you a comparison of the String Trimmer Spools in order to find the best quality/price ratio. In this ranking, you will find products listed according to their price, but also their characteristics and the opinions of other customers. Also discover our comparisons by categories. You won’t have to choose your products at random anymore.
SaleNo. 1
10 Pack Weed Eater String Compatible with Black+Decker, AF-100 0.065" Weed Wacker String Refill 240ft...
- Replacement Spools Models: AF-100, AF-100-3ZP, AF-100-BKP, AF-100-2:Compatible with BLACK+DECKER Weed Eater GH400, GH500, GH600, GH610, GH900, GH912, ST6600, ST7000, ST7200, ST7700, ST7701, ST8600, ST9000, CST1000, CST1100, CST1200, CST2000, MTC...
- Automatic Feed Spool: Eventronic replacement spool for Black and Decker weed eater is easy to use , automatically feeds the trimmer by centrifugal force, reducing the tediousness of manually sorting out the replacement trimmer line spool during work.
- Abrasion Resistant: Eventronic trimmer string for BLACK+DECKER weed eater is constructed with an upgraded nylon polyamide material that has a tensile strength of over 100 lbs and which is 30% more durable than other brands for longer life.
- Efficient Cutting: Eventronic Trimmer spool line for Black&Decker weed eater is pliable and flexible, allowing for the line to stretch and cushion on impact with hard surfaces, and increasing cutting efficiency by 50%, making each spool to cut more weeds
- Professional Seller: As a professional brand, we have an excellent after-sales service team and and product quality warranty. Package contains 8 replacement spools for black and decker, 2 spool cap covers of RC100P, 2 spring.
No. 2
BLACK+DECKER Weed Eater String, Trimmer Line, 3-Pack, 30-Feet of Replacement Spool, 0.065-Inch Diameter...
- BLACK+DECKER replacement spool system eliminates time spent hand winding string trimmers
- Compatible with: BESTA51, BESTA512, BEASE62, CST1, CST12, CST2, GH4, GH5, GH6, GH61, GH9, GH912, LST12, LST136, LST14, LST21, LST22, LST3, LST4, LST42, LST522, LST118, LSTE522, LSTE523, LSTE525, NST118, NST124, NST1118, NST181, NST218, NST2118, ST7, ST...
- Compatible with most BLACK+DECKER string trimmers; 3 feet replacement line is factory wound for a superior feed
- Includes (3) 0.065 inch diameter line replacement spools
- The BLACK+DECKER spool utilizes centrifugal force to feed the trimmer line as it is needed
- 2 Year Limited Warranty
No. 3
Dilsuaco CMZST0653 8pcs String Trimmer Spool Line(0.065",30Ft) with Cap Head, Compatible with Craftsman...
- Package Included: 6 x replacement trimmer line spool ( CMZST065 & CMZST0653 ) 1x replacement spool cap,1x spring. The trimmer replacement spool Suitable String Trimmer Models: Replacement spool for CMCST900, CMESTA900,CMESTE920 & CMCST98020 series...
- String Trimmer Line: Premium about 30 Foot/ 9 m in length and 0.065-inch/ 1.65 mm in diameter.String Trimmer Spool Line easily cuts through grass and weeds. Llows less drag for more efficient cuts. Pliable and flexible allowing for the line to stretch and...
- Auto Feed Grass Trimmer Spool Line: High-quality ABS spool & durable polyamide nylon thread, flexible and long service life. The trimmer replacement spool utilizes centrifugal force and aerodynamics to reduce drag ,Achieve fast cutting and utilizes...
- Pre-wound,ready to go: Each replacement spool comes pre-wound and may be replaced easily in a few seconds.It is very easy to assemble and remove, you can snap it into the right place and then assemble them quickly and easily just by hands, no need other...
- Premium Service: Easy to use and install pre-wound spool saves you time and energy, If there is any questions of the quality, please contact us , we’ll offer a suitable solution within 24h.
SaleNo. 4
YWTESCH 10 Pack AF-100 Replacement Spool Line for Black+Decker - 0.065" Weed Eater String Trimmer Line Spool...
- SUITABLE FOR MULTIPLE COMPATIBLE WITH BLACK+DECKER MODELS: GH400, GH500, GH600, GH610, GH900, GH912, ST6600, ST7000, ST7200, ST7700, ST7701, ST8600, ST9000, CST1000, CST1100, CST1200, CST2000, MTC220, MTE912, NST1018, NST1024, NST1118, NST1810, NST...
- EFFICIENT CUTTING: 0.065-Inch durable polyamide nylon thread (30 FT. long/pcs), flexible and long service life. Use centrifugal force and aerodynamics to reduce drag easily cuts through grass and weeds
- HIGH QUALITY: Pliable and flexible allowing for the line to stretch and cushion on impact with hard surfaces. Automatic feeding system to change spools eliminates the time-consuming task of manually winding the line. Makes mowing the lawn easier and more...
- ABRASION RESISTANT: The trimmer line is made of improved nylon polyamide material with a tensile strength of over 100 lb, which is 30% more durable than other brands and lasts longer
- MORE DURABLE: The spools are made of the latest materials to withstand the high speeds of the weed wacker, resulting in higher durability
SaleNo. 5
Ryobi One PLUS+ AC80RL3 OEM .080 Inch Twisted Line and Spool Replacement for Ryobi 18v, 24v, and 40v Cordless...
- OEM REPLACEMENT SPOOL: Genuine Ryobi AC80RL3 replacement line and spool designed for a perfect fit and reliable performance.
- WIDE COMPATIBILITY: Compatible with Ryobi 18v, 24v, and 40v cordless string trimmers, making it a versatile replacement option.
- TWISTED LINE DESIGN: Features .080 inch twisted trimmer line for improved cutting efficiency and reduced noise during operation.
- EASY INSTALLATION: Designed as a direct OEM replacement spool for quick and hassle-free swapping when your current line runs out.
- CONSISTENT RESULTS: Delivers clean, precise cuts on grass and weeds, helping to keep your lawn and garden edges looking neat and tidy.
SaleNo. 6
15 Pack Trimmer Spool Line for Worx,(WA0010)Replacement Weed Wacker String for Worx Weed Eater,Trimmer Line...
- Suitable For Multiple Worx String Trimmer Models: WG122, WG150, WG151, WG151.5, WG152, WG153, WG154, WG155, WG155.5, WG156, WG157, WG160, WG160.1, WG160.2, WG160.3, WG160.4, WG162, WG163, WG165, WG166, WG166.1, WG167, WG170, WG170.1, WG170.2, WG...
- Efficient Cutting: 0.065-Inch durable weed eater string is made of polyamide nylon thread, flexible and long service life. Use centrifugal force and aerodynamics to reduce drag easily cuts through grass and weeds
- High Quality: (WA0010)Replacement trimmer spool line is pliable and flexible allowing for the line to stretch and cushion on impact with hard surfaces. Automatic feeding system to change spools eliminates the time-consuming task of manually winding the...
- Twisted Trimmer String: Twisted design reduces noise levels and trimmer vibrations. The replacement trimmer line has an aerodynamic design that is optimized for maximized runtime and effectiveness. Lawn trimmer string delivers a clean, even cut with...
- More Durable: The spools are made of the latest materials to withstand the high speeds of the weed wacker, resulting in higher durability. Lawn trimmer string features a unique design that offers multiple cutting edges to deliver optimal cutting surface...
No. 7
AF-100 String Trimmer Spool Replacement for Black and Decker AF-100 AF-100-3ZP AF-100-BKP 30ft 0.065" Trimmer...
- Compatible with Black and Decker trimmer spools: AF-100 replacement spool for black and decker, AF100 spool compatible with black and decker AF-100 AF-100-3ZP AF-100-BKP models: GH400, GH500, GH600, GH610, GH900, GH912, LST120, LST136, LST140, LST...
- WA0010 Spool Specification: AF 100 spool for black and decker trimmer replacement spool, 30ft 0.065 inches--each spool is pre-wound with a 30-foot, 0.065-inch diameter, high-strength, durable nylon thread
- High Quality Material AF-100 Spool Line: High-quality ABS spool and durable nylon string, sturdy enough, strong enough for long working life. For black and decker trimmer string replacement spools by the CNC machine cutting and winding, automatic line...
- Replacement Spool for Black & Decker: af-100-bkp replacement spool black and decker replacement for af-100 black and decker, for black and decker weed eater string af-100, for black and decker af-100 replacement spool, for black and decker trimmer string...
- Quality Assurance: Our AF-100 spools set of packaging includes 16 x af spool, 3x spool cap, 3x Spring. When you using this product, protective measures should be taken to avoid damage to the body caused by spilled wires. The product is only suitable for...
No. 8
YWTESCH 16 Pack Weed Eater String Compatible with Black+Decker, 360ft 0.065" AF-100 Replacement Spool...
- SUITABLE FOR MULTIPLE COMPATIBLE WITH BLACK+DECKER MODELS: GH400, GH500, GH600, GH610, GH900, GH912, ST6600, ST7000, ST7200, ST7700, ST7701, ST8600, ST9000, CST1000, CST1100, CST1200, CST2000, MTC220, MTE912, NST1018, NST1024, NST1118, NST1810, NST...
- EFFICIENT CUTTING: 0.065-Inch durable polyamide nylon thread (30 FT. long/pcs), flexible and long service life. Use centrifugal force and aerodynamics to reduce drag easily cuts through grass and weeds
- HIGH QUALITY: Pliable and flexible allowing for the line to stretch and cushion on impact with hard surfaces. Automatic feeding system to change spools eliminates the time-consuming task of manually winding the line. Makes mowing the lawn easier and more...
- ABRASION RESISTANT: The trimmer line is made of improved nylon polyamide material with a tensile strength of over 100 lb, which is 30% more durable than other brands and lasts longer
- MORE DURABLE: The spools are made of the latest materials to withstand the high speeds of the weed wacker, resulting in higher durability
No. 9
Replacement Spool for Black+Decker 12 Pack Trimmer String 0.065" AF-100 Autofeed Replacement Spools(12 Spool...
- Compatible with multiple models of Black+Decker trimming machine, including the GH series, ST series, CST series, MTE series, NST series, LST series, and more. Please refer to our model images for details.
- The centrifugal force automatic feeding and trimming machine reduces the hassle of manually sorting and changing the trimming line spools during the work process.
- This set includes 12 trimmers spool and 4 trimmer Cap Cover
- This trimmer line is made of upgraded nylon polyamide material, with a tensile strength of over 100 pounds, offering 30% greater durability than other brands and a longer lifespan.
- If there are any problems with our product, please get in touch with us. We will strive to offer you a satisfactory solution.
No. 10
Weed Wacker String Replacement Compatible with Ryobi One+ AC14RL3A, 0.065'' String Trimmer Refill Line for...
- Compatible with Multiple Ryobi Cordless Trimmers Models:This line string trimmer replacement spool is compatible with Ryobi ONE+ Cordless Trimmer Models: 18V, 24V, 40V.
- Automatic Feed Spool:Eventronic weed wacker string for Ryobi weed eater is easy to use , automatically feeds the trimmer by centrifugal force, reducing the tediousness of manually sorting out the replacement trimmer line spool during work.
- Abrasion Resistant:Eventronic trimmer string for Ryobi weed eater is constructed with an upgraded nylon polyamide material that has a tensile strength of over 100 lbs and which is 30% more durable than other brands for longer life.
- Efficient Cutting: Eventronic weed eater string for Ryobi weed wacker is pliable and flexible, allowing for the line to stretch and cushion on impact with hard surfaces, and increasing cutting efficiency by 50%, making each spool to cut more weeds.
- Professional Seller:As a professional brand, we have an excellent after-sales service team. Package contains 6 ryobi strings for Ryobi, 1 spool cap.
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Last update on 2026-04-18 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best String Trimmer Spools
Comparison Tips for String Trimmer Spools
When comparing spools, prioritize durability and ease of use. Look for spools made from high-quality materials that resist fraying and breaking. If convenience is a priority, consider auto-feed or bump-feed models. For heavy-duty jobs, opt for thicker, more aggressive line shapes. Always verify compatibility with your specific trimmer model before purchasing.Frequently Asked Questions
How do I know what size trimmer line to buy?
Check your string trimmer's manual for the recommended line diameter. Generally, lighter-duty trimmers use thinner lines (0.065-0.080 inches), while more powerful models can handle thicker lines (0.095 inches or more).
Can I use a different brand of spool than my trimmer's original?
Yes, you can often use spools from other brands as long as they are compatible with your trimmer model. Ensure the diameter and line feed mechanism match your trimmer's requirements.
What is the difference between a fixed-line head and an auto-feed head?
A fixed-line head requires you to manually thread the line through holes, while an auto-feed head automatically dispenses more line as it's needed, either by tapping the head or electronically.
How often should I replace my trimmer line spool?
You should replace the spool when the line runs out or if the line becomes excessively frayed or broken. The frequency depends on how often and how intensely you use your string trimmer.
Will a thicker trimmer line cut better?
Yes, thicker lines generally provide more cutting power and are more durable, making them better for tackling tough weeds and dense brush. However, they may also put more strain on less powerful trimmers.
What should I do if the trimmer line keeps breaking?
If the line is constantly breaking, ensure you are using the correct line diameter and type for your trimmer and the vegetation. Also, check for any damage to the trimmer head or line guides, as rough edges can cause premature breakage.