✪THE INDESTRUCTIBLE TRIMMER: The twist knot steel wheel brush is made of double-layer thick stainless steel disc and 0.50mm wear-resistant spring steel wire, which is strong and durable. cutter head 1 x thrust washer; 1 bridge plate; 1 collar nut; 1 maintenance screwdriver; ✪ EASY TO INSTALL - The wire brush trimmer is easy to install and remove on the trimmer kit, just put the trimmer head on the top bolt of the straight trimmer shaft, then use the washer and nut to fix it . ✪MULTI FUNCTION: The twist knot wire wheel brush hole size is 1 inch, as long as your machine shaft can pass through, it can be used, but it is more suitable for 25cc lawn mower + gearbox straight axis. ✪EXCELLENT COMPATIBILITY - GS adapter fits most trimmers - gas straight shaft trimmers. Applicable aux modèles Husqvarna, Oregon, Hitachi et Stihl FS55 FS56 FS70 FS70R FS74 FS80 FS80R FS85R FS89 FS90 FS90R FS91 FS100 FS110 FS110R FS94 FS94R FS120 FS120R FS130 FS130R FS131 FS200 FS240 FS240R FS250 FS260R KMR KM56