The black and decker a6441 is a genuine replacement spool and dual line designed to keep your black and decker gl series grass trimmer cutting efficiently. Using a genuine black and decker replacement spool ensures a reliable fit and consistent performance with your trimmer. Aftermarket alternatives can cause feeding issues or premature wear, making this genuine part a sound choice for maintaining your tool's reliability. Each spool comes pre wound with dual line, making it straightforward to swap out when your existing line runs low or becomes worn. This is an ideal solution for general garden maintenance tasks including edging lawns, trimming around borders, and cutting back grass in hard to reach areas. Features and benefits bull genuine black and decker replacement part for assured compatibility bull dual line configuration for effective cutting performance bull pre wound spool for quick and easy installation bull compatible with a wide range of black and decker gl series grass trimmers compatible models gl315, gl337, gl350, gl650, gl651, gl652, gl653, gl655, gl656, gl660, gl670, gl680, gl687 specifications line length 2 x 6 metres contents pack of 1