Best BLACK+DECKER String Trimmer Lines of 2025

Toby Butcher Avatar
Toby Butcher
Last Updated: 2 Feb 2025

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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+DECKER Heavy Duty Trimmer Line 10 pcs Cover #TOP 2
BLACK+DECKER Heavy Duty Trimmer Line 10 pcs
ftb score rating icon 9.8
Black and Decker A6489 Hedge Trimmer Cover #TOP 3
Black and Decker A6489 Hedge Trimmer
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, ⌀ 1.5 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+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 3

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 4

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 5

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 6

BLACK+DECKER A6046-XJ Replacement Strimmer Line

BLACK+DECKER
A6046-XJ
Black
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 7

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 8

BLACK+DECKER Reflex 2 + 1 Spool Pack

BLACK+DECKER
A6486-XJ
BLACK+DECKER Reflex 2 + 1 Spool Pack Cover
Black+Decker Reflex 2 + 1 Value Pack Spool, 2 Mm Line Thickness, 6 M, for Brush Cutters GL8033/ GL9035, A6486

The BLACK+DECKER Spool Pack is a convenient accessory for your gardening needs. This value pack includes three spools of Reflex thread, each measuring 6 metres in length. Designed specifically for BLACK+DECKER brush cutters GL8033 and GL9035, it ensures optimal performance during your trimming tasks. With its original BLACK+DECKER quality, you can trust that these spools will deliver reliable results, making your garden maintenance easier and more efficient.

What We Like
Includes three spools
6 metres of thread per spool
Compatible with specific models
Original BLACK+DECKER accessory
#TOP 9

BLACK+DECKER GL250-GB Trimmer with 10m Line

BLACK+DECKER
Orange
BLACK+DECKER GL250-GB Trimmer with 10m Line Cover
BLACK+DECKER GL250-GB Grass Trimmer with 23 cm Swathe and Bump Feed Line System, 250 W, Orange & Spool and Line 10 m for Reflex Strimmer Nylon Wire 1.6 mm Diameter Transparent and Resistant A6481-XJ

The BLACK+DECKER GL250-GB Trimmer is designed for efficient trimming in small gardens, thanks to its powerful 250 W motor and 23 cm cutting swath. Its lightweight, single-handed design allows for easy manoeuvring, making garden maintenance less strenuous. You will appreciate the proven bump feed mechanism, as it simplifies line feeding during operation, ensuring uninterrupted trimming. Additionally, the simple cable management feature helps keep your workspace tidy, allowing you to focus on your gardening tasks without the hassle of tangled cords.

What We Like
Powerful 250 W motor
Lightweight and easy to use
Efficient bump feed mechanism
Simple cable management
#TOP 10

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
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 121,197 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 £11.03.

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 £34.00, 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.