Rotary tiller knife compatible with MALE Screw with nut Thread: M10 x 1 L (mm): 35 G (mm): 20 : 10.9 Dimensions (mm): M10 x 1 x 35 , 10.9 Right knife code: 180MAS-08R Original right knife code: 21100412 Left knife code: 180MAS-08L Original left knife code: 21100413 Screw and nut code: 18030-1035 NS