AC14HCA Spool Cap for Ryobi ONE+ 18V, 24V, 40V cordless string trimmers. Replacement spool cap compatible with part numbers: 522994001, 993373001, 3411546-7G, HM3411546BG, 341156AG, 3411546CG, and 3411546BG. Designed as a replacement for Ryobi weed eater parts, compatible with Ryobi 18V String Trimmer models P2000, P2001, P2002, P2003, P2004, P2005, P2006, P2200, P2006A; 24V Cordless Trimmer/Edger models RY24000, RY24020, RY24021, RY24200; 40V String Trimmer/Edger models RY40001, RY40021, RY40200, RY40201, RY40210, RY40210A. Replacement spool cap for Ryobi cordless auto-feed trimmer. Grass trimmer spool cap made of high-quality ABS material for durability. The 522994001 replacement spool cap helps protect the trimmer line and spool, prevents debris from getting caught inside, and reduces the risk of damage. Easy to install with no tools required—simply remove the old cap and snap the new one into place for immediate use. Color: Grey. Material: ABS. Package includes: 6 x Spool Caps. Note: Lighting and display settings may cause slight color variations between the product image and the actual item. Measurement may vary by +/- 1-3 cm.