AC14HCA Spool Cap for Ryobi One+ 18V, 24V, 40V cordless strimmers. AC14HCA Replacement Spool Cap replaces part numbers: 522994001, 993373001, 3411546-7G, HM3411546BG, 341156AG, 3411546CG, and 3411546BG. Spool Cap replacement for Ryobi weed eater parts compatible with Ryobi 18V String Trimmer P2000, P2001, P2002, P2003, P2004, P2005, P2006, P2200, P2006A; 24V Cordless Trimmer / Edger: RY24000, RY24020, RY24021, RY24200; 40V String Trimmer / Edger: RY40001, RY40021, RY40200, RY40201, RY40210, RY40210A. Replacement spool cap for a RYOBI cordless auto-feed trimmer. Grass Trimmer Spool Cap for Ryobi made of high quality ABS, durable for use. 522994001 Replacement Spool Cap protects string trimmer line fixed spool, prevents weeds from getting stuck inside, avoids damage to the trimmer. Easy to install, no tools needed. Simply unhook the old cap and snap this into place over spool line, ready to go in seconds. Color: grey. Material: ABS. Package Contents: 6 x Cap Covers. Only the above package content is included; other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture to be slightly different from the real thing. Measurement allowed error is +/- 1-3 cm.