Trimmer Spool Line for Worx, Line String Trimmer Replacement Spool, 10ft 0.065" Replacement Autofeed Edger Spool Compatible with Worx WG180 WG163 WG175 WA0010 & 50006531 (10 Pack). Weed Eater String, Weed Wacker Spool Replacement Parts. Suitable for Multiple WORX String Trimmer Models: WG150, WG151, WG151.5, WG152, WG153, WG154, WG155, WG155.5, WG156, WG157, WG160, WG160.1, WG160.2, WG163, WG165, WG175, WG180. Premium 10ft 0.065" string Trimmer Spool Line and Cap easily cuts through grass and weeds. 100-pound tensile strength compared to older lines with lower strength. Pliable and flexible design allows the line to stretch and cushion on impact with hard surfaces. Aerodynamic shape reduces drag for more efficient cutting. Package includes: 8x replacement trimmer line spools for Worx trimmer; 2x replacement caps. The trimmer replacement spool is compatible with Worx string trimmers and utilizes centrifugal force to feed the trimmer line as needed. The auto-feed system replacement spool eliminates the need for hand-winding.