Tien-I Hand Tools, a professional manufacturer with over 20 years of experience, has categorized torque requirements into the following major applications:Home DIY: 3 ft-lbsAxle Nuts: 15 to 20 ft-lbsGeneral Passenger Car Repairs: 70 to 145 ft-lbsLug Nuts: 80 to 100 ft-lbsLight-Duty Truck Repairs: 1