HOWARD Compatible Tiller Knife Screw with nut Thread: 7/16" UNF L (mm): 35 G (mm): 22 : 12.9 Dimensions (mm): 7/16" UNF x 35 Right Knife Code: 180HOW-22R Left Knife Code: 180HOW-22L Screw & Nut Code: 18030-71635 NS