Hand Wrench Recommended
Please dont use the impact tool which may damage the surface coating and we recommend you to use hand wrench, here are the lug diam and suitable Torque(ft.lbs)
7/16 55-65(ft.lbs)
1/2 75-85(ft.lbs)
9/16 95-115(ft.lbs)
12MM 72-80(ft.lbs)
14MM 85-95(ft.lbs)