Best BLACK+DECKER String Trimmer Lines of 2026

Toby Butcher Avatar
Toby Butcher
Last Updated: 5 Feb 2026

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If you're in need of a reliable and efficient way to maintain your garden, then you might want to consider using BLACK+DECKER String Trimmer Lines. These high-quality lines are designed to provide excellent cutting performance, making it easier to trim and edge your lawn with precision. With a variety of sizes and shapes to choose from, you can find the perfect fit for your trimmer and achieve a neat and tidy finish every time. Whether you're a professional landscaper or a DIY enthusiast, BLACK+DECKER String Trimmer Lines are a great choice to help you keep your garden looking its best.

At a Glance: Our Top Picks

BLACK+DECKER A6485 Bobbins for Trimmers Cover #TOP 1
BLACK+DECKER A6485 Bobbins for Trimmers
ftb score rating icon 9.9
Black and Decker 2mm AFS Spool Line Replacement Cover #TOP 2
Black and Decker 2mm AFS Spool Line Replacement
ftb score rating icon 9.8
BLACK+DECKER Heavy Duty Trimmer Line 10 pcs Cover #TOP 3
BLACK+DECKER Heavy Duty Trimmer Line 10 pcs
ftb score rating icon 9.6

Top 10 BLACK+DECKER String Trimmer Lines

#TOP 1

BLACK+DECKER A6485 Bobbins for Trimmers

BLACK+DECKER
A6485-XJ
Black, Translucent
BLACK+DECKER A6485 Bobbins for Trimmers Cover
BLACK+DECKER A6485 thread bobbins (for trimmers 3-pack - 3 x 10 m length, ⌀ 1.6 mm thread diameter), Black, Translucent

The BLACK+DECKER A6485 Bobbins offer a high-quality replacement spool for your trimmer. Made from premium ABS and durable nylon, they ensure longevity and resilience. The design utilises centrifugal force and aerodynamics, resulting in reduced drag and faster cutting, making your gardening tasks more efficient. With auto-feed spools, installation and replacement are a breeze, giving you the flexibility to tackle your outdoor space without hassle. Pre-wound for maximum reliability, these bobbins guarantee uncompromised performance when you need it most.

What We Like
High-quality materials
Fast cutting efficiency
Easy installation
Reliable performance
#TOP 2

Black and Decker 2mm AFS Spool Line Replacement

BLACK+DECKER
A6482
Multi
6 m x 2mm
Black and Decker 2mm AFS Spool Line Replacement Cover
Black and Decker 2mm AFS Spool Line for String Trimmers

The Black and Decker Spool Line is designed as a replacement for the GL7033, GL8033, and GL9035 string trimmers. With a generous length of 6 metres, it ensures you have ample line for efficient trimming. The 2.0mm diameter provides a strong and durable cutting line, making it easier for you to tackle tough grass and weeds. This product is essential for maintaining a neat and tidy garden, allowing you to achieve professional results with minimal effort.

What We Like
Compatible with multiple models
Generous 6-metre length
Durable 2.0mm diameter
Efficient grass trimming
#TOP 3

BLACK+DECKER Heavy Duty Trimmer Line 10 pcs

BLACK+DECKER
A6487
Multi-colour
BLACK+DECKER Heavy Duty Trimmer Line 10 pcs Cover
BLACK+DECKER A6487 Heavy Duty Trimmer Line, 10 x 3 mm GL680/685/690

The BLACK+DECKER Trimmer Line offers a heavy-duty solution for your gardening needs. With a robust diameter of 3 mm, this strimmer line is designed to tackle tough grass and weeds effectively. It comes in a pack of 10, providing you with ample supply for prolonged use. Compatible with models GL680, GL685, and GL690, this accessory ensures that your strimmer performs at its best, making your gardening tasks easier and more efficient.

What We Like
Heavy duty for tough jobs
Compatible with multiple models
Pack of 10 for convenience
3 mm diameter for effectiveness
#TOP 4

Black and Decker A6489 Hedge Trimmer

BLACK+DECKER
A6489-XJ
Black and Decker A6489 Hedge Trimmer Cover
Black and Decker A6489 10 HDL-Fden 2,4mm, passend fr GL8033, GL9035 1 Red

The Black and Decker A6489 is designed for smaller hedges, featuring a 55 cm blade length and a 22 mm blade gap for efficient trimming. Its bale handle design ensures optimum comfort and control, allowing you to work for extended periods without strain. The two-handed starting switch prevents any accidental starts, providing peace of mind while you work. Additionally, the angled blade design optimises cutting performance, enabling you to achieve precise results effortlessly.

What We Like
Comfortable bale handle design
Prevents accidental starting
Ideal for small hedges
Optimised cutting performance
#TOP 5

BLACK+DECKER 50m Nylon Trimmer Line Spool

BLACK+DECKER
A6171-XJ
White
BLACK+DECKER 50m Nylon Trimmer Line Spool Cover
BLACK+DECKER A6171-XJ 50 m Line on Storage Spool , White

The BLACK+DECKER Trimmer Line is a 50 metre nylon line supplied on a convenient storage spool. This generous length allows you to tackle larger areas without frequently needing to replace the line, saving you time and effort. With a diameter of 1.5mm, it is designed to fit a variety of BLACK+DECKER trimmers, ensuring compatibility with many models. This means you can easily keep your garden tidy without the hassle of searching for the right supplies.

What We Like
Long 50 metre length
Convenient storage spool
Compatible with multiple models
Easy to use
#TOP 6

BLACK+DECKER A6442-XJ Dual Line Trimmer Spool

BLACK+DECKER
A6442-XJ
Multi-coloured
BLACK+DECKER A6442-XJ Dual Line Trimmer Spool Cover
BLACK+DECKER A6442-XJ Dual Line

The BLACK+DECKER Dual Line Spool is designed for reliable and efficient performance. It comes pre-wound, ensuring you can start trimming without the hassle of winding the line yourself. The dual line auto feed feature allows for a smooth and consistent flow of the trimmer line, making your gardening tasks quicker and easier. Additionally, this product is the manufacturer-recommended replacement, which means you can trust its compatibility and quality for your BLACK+DECKER equipment. With its dimensions of 11.5"L x 4.8"W x 16.6"H, it is conveniently sized for easy storage.

What We Like
Pre-wound for convenience
Dual line auto feed
Reliable performance
Manufacturer recommended
Compact storage size
#TOP 7

BLACK+DECKER 25 m Line for GL660PC and GL670PC

BLACK+DECKER
A6440-XJ
Blue
BLACK+DECKER 25 m Line for GL660PC and GL670PC Cover
BLACK+DECKER A6440 25 m Line for GL660PC + GL670PC

The BLACK+DECKER String Trimmer Line is designed for maximum reliability and performance. It comes pre-wound, ensuring that you can get started quickly without the hassle of winding the line yourself. This feature saves you time and effort, allowing you to focus on your gardening tasks. Additionally, it is a recommended replacement, ensuring compatibility with your GL660PC and GL670PC models. The spool and line replacement makes it easy to keep your trimmer running smoothly, providing you with effective cutting power when you need it most.

What We Like
Pre-wound for convenience
Easy spool and line replacement
Compatible with specific models
Reliable and high-performance
#TOP 8

BLACK+DECKER A6046-XJ Replacement Strimmer Line

BLACK+DECKER
A6046-XJ
Black
Nicht zutreffend
BLACK+DECKER A6046-XJ Replacement Strimmer Line Cover
BLACK+DECKER A6046-XJ Replacement Strimmer Line, 37.5 m

The BLACK+DECKER Strimmer Line offers a convenient solution for maintaining your garden. With a length of 37.5 metres, it provides ample line for extensive trimming tasks. Its auto-feed feature allows for seamless operation, meaning you can focus on your gardening without interruptions. This replacement line fits most Black & Decker models, ensuring compatibility with your existing tools. However, do note that it does not fit the GL650, GL660, and GL670 models. The 1.5mm diameter delivers effective cutting power, making it ideal for tackling tough grass and weeds.

What We Like
Compatible with most strimmers
Auto-feed for convenience
Long 37.5m length
Effective 1.5mm diameter
#TOP 9

Black & Decker DF065 Spool and Line Assembly

BLACK+DECKER
DF-065
Black
Black & Decker DF065 Spool and Line Assembly Cover
Black & Decker DF065 Spool and Line Assembly

The Black & Decker DF065 is an O.E.M. authorised spool and line assembly designed to fit various BLACK AND DECKER models. Being an original equipment manufacturer part, it ensures compatibility and reliable performance, so you can trust it to work seamlessly with your trimmer. Its OEM part number DF065 helps you find this exact component easily when replacements are needed. However, if you're purchasing internationally, be aware that the product may have differences in fit, age ratings, or instructions compared to local versions, which is useful to consider before buying.

What We Like
O.E.M. authorised part
Fits multiple Black & Decker models
Easy to identify with OEM number
Available internationally
#TOP 10

BLACK+DECKER AX107-BO 3 Reels Reflex Wire

BLACK+DECKER
A6441X3-XJ
Blue
BLACK+DECKER AX107-BO 3 Reels Reflex Wire Cover
BLACK + DECKER AX107-BO A6441X3 - 3 Reels Reflex Wire 2 X 6 M - 1.5 Mm For Border Trimmer, Blue, 12 m

The BLACK+DECKER AX107-BO Wire comes as a cost-effective pack with two reels of 6 metres each, providing you with a generous supply for your trimming needs. Its robust double thread design ensures durability, so you can rely on it for longer periods without frequent replacements. Specifically made for Black & Decker grass trimmers and several brush cutter models, this accessory fits perfectly, offering convenience and efficiency. With three bobbins included, you’re well equipped to keep your garden tidy and well maintained with ease.

What We Like
Cost-effective two-reel pack
Durable double thread design
Compatible with many Black & Decker tools
Includes three bobbins
Buying Guide Image
Editor's Notes

During our BLACK+DECKER string trimmer line research, we found 23 BLACK+DECKER string trimmer line products and shortlisted 10 quality products. We collected and analyzed 117,487 customer reviews through our big data system to write the BLACK+DECKER string trimmer lines list. We found that most customers choose BLACK+DECKER string trimmer lines with an average price of £7.68.

The BLACK+DECKER string trimmer lines are available for purchase. The top 10 picks range in price from a low of £5.00 to a high of £16.00, find the one that fits your budget.

Written by
Toby Butcher Avatar

Toby Butcher is a Horticulturist, and he earned his title as a Master Gardener in 2016. Toby has acquired a 25-year experience as a home gardener planting, designing, grooming vegetables and flowers. He is the leader of a plant group in Durham. Toby owns a blog where he publishes articles on growing and growing your flowers at home, in a vase, or in a garden.