[Applicable model] - Suitable for: various Worx clipper/trimming machine models: WG150, WG151, WG151.5, WG152, WG153, WG154, WG155, WG155.5, WG156, WG157, WG160, WG160, WG1160. .3 .4, WG162, WG163, WG165, WG166, WG166.1, WG167, WG174, WG175, WG175.1, WG176, WG180.[Coil Specification] Copolymer resin 3m nylon line and synthetic trimming/cutting line with spiral design, suitable for original Worx WA0010 spool model. 1.65mm diameter portable power cord allows for fast cutting and longer life.[Durable Material] high quality automatic feeding and durable nylon thread are made from made from spiral designed copolymer, flexible and durable.[Inexpensive and time-saving] - It can be replaced quickly and easily by snapping into place without tools. Professional CNC cutting and automatic rewinding are safer and faster than manual rewinding, which reduces damage to the machine. the lawn mower grass and prevent paper jams when cutting grass.[Precautions for use] - Please wear protective glasses and long underwear when using this this product to prevent damage caused by cable overflow. Unplug the power cord before replacing, installing or removing accessories. This cordless weed eater refill is only suitable for young grass. Use blades and other tools to cut strong weeds.