FITS MODELS - For several Worx trimmer \/ edger models: WG150, WG151, WG151.5, WG152, WG153, WG154, WG155, WG155.5, WG156, WG157, WG160, WG160.1, WG160.2 , WG160.3 .4, WG162, WG163, WG165, WG166, WG166.1, WG167, WG174, WG175, WG175.1, WG176, WG180. COIL SPECIFICATION - 3 m nylon copolymer resin in spiral design and synthetic trimmer \/ edge cutting line for Worx original coil models WA0010. The portable cord with a diameter of 1.65 mm supports fast cutting and a longer lifespan. DURABLE MATERIAL - High quality automatic feed trimmer spool and durable nylon thread made of copolymer in a helix design, flexible and flexible as well as durable. CHEAP \u0026 TIME SAVING - Quick and effortless replacement without tools by snapping into place. Professional CNC cutting and automatic rewinding is safer and time-saving than manual rewinding, reduces damage to the lawn trimmer and does not block when mowing. PRECAUTIONS FOR USE - When using this product, wear safety glasses and long underpants to avoid injury from line overflow. Remove the plug from the socket before replacing, installing or removing accessories. This wireless weed eater refill is only suitable for young grasses. Strong weeds use other tools such as blades for trimming.