The black and decker a6171 is a genuine replacement nylon trimmer line supplied on a storage spool, designed to keep your black and decker reflex grass trimmer cutting efficiently. Supplied on a convenient storage spool, this 50 metre line gives you plenty of cutting line to restock your trimmer and keep it working throughout the season. Being a genuine black and decker part, it is manufactured to the correct specification for compatible reflex trimmer models, ensuring reliable performance and a proper fit. This line is compatible with a wide range of black and decker reflex grass trimmers, including the gl280, gl301, glc13, glc2500, glc3000, d609, gl110, gl320, gl325, gl300, gl200, gl220, gl225s, and gl420. Please note this line is not suitable for the gl650, gl660, or gl670 models. Features and benefits bull genuine black and decker replacement part for assured compatibility bull 50 metre supply on a storage spool for multiple refills bull fits a wide range of reflex grass trimmer models bull not compatible with gl650, gl660, or gl670 specifications line length 50 metres