WORX WA6531 GT Trimmer Replacement Spool Cap Covers (10 Pack) Worx Spool Cap Cover Compatible with the following models: WG150, WG150.1, WG150.2, WG151, WG151.5 WG152, WG155, WG155.5, WG160, WG165, WG166, WG167 This is a set of 10 caps