Best String Trimmer Spools of 2026

The Ryobi One+ Trimmer Spools come in a convenient pack of three, giving you hours of uninterrupted trimming and edging. These spools fit a variety of Ryobi cordless trimmers, including 18v, 24v, and 40v models, ensuring compatibility with your tools. Each spool is pre-wound, making installation quick and effortless, saving you time and effort when replacing the line. The trimmer line itself is 9 feet long, UV protected, and has a durable 0.065-inch diameter, helping it withstand strong sunlight and maintain performance for longer.

The Bosch Trimmer Replacement Spools are designed for easy compatibility with various Bosch lawn mowers, providing you with a flexible 16ft spool that effortlessly tackles grass and weeds. The automatic feed system allows you to focus on your trimming rather than sorting out the line, saving you time and energy. Made from durable materials, these spools ensure long-lasting use, while the efficient cutting feature enhances performance by minimising drag and allowing for a smoother trim. This makes your gardening tasks more efficient and enjoyable.

The Black and Decker Spool is designed to fit many models, including GL430 and GL530, ensuring wide compatibility for your trimmer needs. Its autofeed system uses centrifugal force to advance the trimming line automatically, saving you the hassle of manual winding and making your work more efficient. With less drag, it provides smoother and faster cutting, helping you maintain your garden effortlessly. Made from premium ABS and nylon fabric, this spool offers excellent flexibility and durability, so you can rely on it for long-lasting performance.

The Poweka Trimmer Spool is designed to replace various models, making it a versatile choice for your Black Decker trimmer. With 32.8ft of premium weed eater string, it effectively cuts through grass and weeds, saving you time and effort in maintaining your garden. Its compatibility with numerous trimmer models ensures that you can use it without hassle. Additionally, the centrifugal force technology allows for automatic line feeding, reducing the need for manual winding and making your trimming tasks much easier.

The Worx Trimmer Spools offer a reliable solution for maintaining your garden. Made from durable plastic and polyamide nylon thread, these spools ensure flexibility and a long service life. With an easy auto-feed system, you can say goodbye to the hassle of hand-winding. Additionally, their design utilises centrifugal force and aerodynamics to reduce drag, allowing for fast and efficient cutting. This makes your trimming tasks quicker and more straightforward, ultimately enhancing your gardening experience.

The YWNYT Greenworks G24LT Spool is designed to fit models G24LT, G24LTK2, G24LT30M, and G24LT30MK2, ensuring compatibility with your Greenworks mower. Its aerodynamic shape reduces drag, allowing you to cut more efficiently while the flexible lines cushion impacts on hard surfaces, protecting your equipment. Made with a strong ABS spool and flexible nylon thread, it offers durability and reduces breakage, so you can enjoy longer use. With a 1.65mm diameter and 4.9m length, this spool provides a wider mowing area, making your trimming tasks easier and quicker.

The Greenworks G40LT String Spools come with a 1.65 mm diameter nylon string, which is ideal for precise and efficient trimming in your garden. Each spool contains 4.8 metres of string, giving you enough length to complete your trimming tasks without frequent replacements. The package includes three spools, providing a total of 14.4 metres of trimming string, so you have plenty of supply on hand. These double thread spools are specially designed to fit the Greenworks 40 Volt G40LT string trimmer, ensuring compatibility and easy installation for your convenience.