Model part AC14RL3A and Cap compatible with 522994001, 3411546-7G, AC14HCA. FITS ONE+ CORDLESS TRIMMERS including the 18v, 24v, and 40v trimmers ABS SPOOL & NYLON - The edger replacement string spool were made of raw material, ABS spool sturdy enough, nylon string flexible, strong enough for long working life. More Convenient to Use & : Auto Feed System replacement spool eliminates time spent hand-winding string trimmers Compatible with Multiple Cordless Trimmers Models: 18V, 24V, 40V High Quality 0.065inch replacement color:Blue Material:ABS, nylon Package Contents: 10 x replacement spool 2 x replacement spool cap Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.