1 Spool Cap Cover fits Worx 50006531 WA6531 Cordless Grass Trimmer WG151Product Description:One New AftermarketSpool Cap CoverPart Category:Spool Cap CoverReplacement For:Fits Worx Models:WG150, WG151, WG151.5, WG152, WG153, WG157, WG154, WG155, WG155.5, WG156, WG160, WG160.1, WG160.2, WG160.3, WG162, WG163, WG165, WG166, WG166.1, WG167, WG175, WG175.1, WG174, WG176Interchangeable Part Numbers:WA6531, WA0216, WA0217, 50006531, 50019417Additional Specifications:This cap protects the spool line and keeps it in place on your trimmer. No tools are required to install it. Simply snap it on over the spool.