HONDA compatible tiller knife Screw with nut Thread: M8 x 1 L (mm): 30 G (mm): 19 : 10.9 Dimensions (mm): M8 x 1 x 30, 10.9 Right knife code: 180HON-09R Original right knife code: F28/AD-CD F28/S Left knife code: 180HON-09L Original left knife code: F28/AD-CD F28/S Screw and nut code: 18030-830 NS