SUITABLE FOR MODELS - For several models of Worx trimmers / trimmers: 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. Thread cutter spool model: WA0010, spool cap cover model: WA0010. SPOOL SPECIFICATION - 3m nylon copolymer resin spiral and cutting/trimming line synthetic for original Worx bobbins WA0010. The portable cord with a diameter of 1.65 mm provides fast cutting and longer life. DURABLE MATERIAL - High quality automatic cutting spool and durable nylon thread made of copolymer with helical design, flexible and flexible as well as durable. The high-quality ABS weed cover is sturdy enough to hold the spool in place and hold it securely while mowing. CHEAP & TIME SAVING - Quick and effortless replacement without tools by snapping into place. Professional CNC cutting and automatic rewinding are safer and time-saving than manual rewinding, reduce damage to the lawn trimmer, and will not block when mowing. PRECAUTIONS ;USE - When using this product, wear safety glasses and long underpants to avoid injury due to overflow. Remove plug from outlet before replacing, installing or removing accessories. This wireless weed killer recharge is only suitable for young weeds. Strong weeds use other tools such as blades for trimming. Delivered quantity: 6 pieces