These replacement WA0010 spools are compatible with following models: WG150, WG151, WG151.5, WG152, WG153, WG154, WG155, WG155.5, WG156, WG157, WG160, WG160.1, WG160.2, WG160.3, WG160.4, WG162, WG163, WG165, WG166, WG166.1, WG167, WG174, WG175, WG175.1, WG176, WG180.These Cordless grass trimmer spool line is 0.065 INCH thick has over 100 lbsof tensile strength,Each spool comes -wound, so you can just it into your trimmer and to work. Each spool contains 10 feet of string, a wider range of mowing.This grass trimmer edger line Made by ABS spool & durable polyamide nylon thread and flexible , So you 't worry about the spool lines life, For the same length lines, this WA0010 spool can work time than other string trimmers ,Only suitable for weed grass,Tough and strong weeds use blades to .The trimmer replacement spool utilizes centrifugal force and aerodynamics to reduce drag ,Achieve fast cutting and utilizes centrifugal force to feed the trimmer line as it is needed. The auto feed system replacement spool eases the work of hand-winding spools.size:Material:plasticcolour:OrangePackage Contents:14 x Spools2 x CapsOnly the above package content, other are not included.Note: Light and different displays may cause the color of the item in the a little different from the real . The measurement allowed is +/- 1-3cm.