The black and decker a6442 is a genuine replacement spool and dual line designed to keep your reflex plus grass trimmer cutting efficiently. Using an original manufacturer part ensures a precise fit and reliable performance every time you need to reload. This spool and line is specifically compatible with the gl650, gl660, and gl670 grass trimmer models. Choosing a genuine black and decker replacement rather than a generic alternative helps maintain the performance and reliability your trimmer was designed to deliver. Each pack contains one pre wound spool loaded with dual line, making replacement straightforward and getting you back to work quickly. It's a practical consumable to keep to hand throughout the growing season. Features and benefits bull genuine black and decker replacement part for assured compatibility bull dual line configuration for efficient grass and weed trimming bull pre wound spool for quick and straightforward replacement bull compatible with gl650, gl660, and gl670 reflex plus models specifications line length 2 x 6 metres contents pack of 1