BLACK+DECKER Trimmer Line, 20-Foot, 0.065-Inch (RS136);

The Black & Decker String Trimmer Replacement Spool eliminates the tediousness of hand-winding most bump feed string trimmers. The 20-foot replacement spool is factory wound for optimum performance and includes a .065-inch diameter line. It is compatible with Black & Decker string trimmer models: #ST1000, #ST3000, #ST4000, #ST4050, #ST4500, #ST5000, #GE600, #ST200, #ST300, #ST400, #CST800, and #ST6800.