[COMPATIBILITY]: WORX corded brush cutter such as WG150, WG151, WG151.5, WG152, WG153, WG154, WG155, WG155.5, WG156, WG157, WG160, WG160.1, WG160.2, WG163, WG516 , can replace WG180 [HIGH QUALITY MATERIAL]: Nylon wire, good flexibility and long service life; centrifugal force and aerodynamics are used to reduce resistance and achieve fast cutting [SIZE]: Each spool is 3m long, the wire is 1.65mm in diameter p> [SAVE TIME]: Pre-installed spools save you the trouble of winding the strings. Easy to install [PACKAGE INCLUDED]: 10 x brush cutter line spools, 2 x auto feed caps