1 Trimmer Spool Line for Worx String Trimmer Replacement Spool 10 ft 0.065 in Replacement Autofeed Edger Spool Compatible with Worx WG180 WG163 WG175 WA0010 and 50006531 10 Pack Weed Eater String Weed Wacker Spool Replacement Parts 2 The trimmer replacement spool 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 3 Premium 10 ft 0.065 in string trimmer spool line and cap easily cuts through grass and weeds 100 pound tensile strength compared to old lines that only offer 68 pound strength pliable and flexible allowing for the line to stretch and cushion on impact with hard surfaces aerodynamic shape allows less drag for more efficient cuts 4 Package included: 8 x replacement trimmer line spool for Worx trimmer 2 x replacement cap the trimmer replacement spool is compatible with Worx string trimmer and utilizes centrifugal force to feed the trimmer line as it is needed the auto feed system replacement spool eases the tedious work of hand winding spools