The black and decker a6440 is a genuine replacement spool and line, supplying 25 metres of cutting line for compatible reflex plus grass trimmers. Sourced directly from black and decker, this is an oem replacement part designed to keep your trimmer performing as the manufacturer intended. Using genuine parts ensures the correct line diameter and spool fitment, avoiding the compatibility issues that can arise with aftermarket alternatives. This spool and line is compatible with the gl650, gl660, and gl670 models from the black and decker reflex plus range. If your trimmer's line has worn down or snapped, this is a straightforward like for like replacement to get you back to work quickly. Features and benefits bull genuine black and decker oem replacement part for assured compatibility bull 25 metres of cutting line included for extended use bull designed for the reflex plus gl650, gl660, and gl670 grass trimmers specifications line length 25 metres compatible models gl650, gl660, gl670