Wa0010 trimmer spool, 10ft 0.065 inches, compatible with original spools models WA0010 and cap covers models WA6531 GT.High-quality ABS spool & durable polyamide nylon thread, flexible and long service life. Use centrifugal force and aerodynamics to reduce drag and achieve fast cutting.Trimmer spool Compatible with worx weed eater string trimmer: WG180,WG175.1,WG175,WG170.1,WG170,WG166.1,WG166,WG165,WG163,WG160.4,WG160.3,WG160.2,WG160.1,WG160,WG157,WG156,WG155,WG154,WG153,WG152,WG151.5,WG151,WG150The Replacement Spools for your WORX GT Cordless Trimmer/Edger feature a single-line release, and are loaded with our proprietary DNA2 DoubleHelix cutting line for superior cutting performanceEach replacement spool comes pre-wound and may be replaced easily in a few seconds