Ensuring you are Ready for the Road Ahead , the Power Products 17” Stud Top Stackable Battery Cable gives heavy duty Group 31 stud batteries a proper jumpstart. For a smooth, quick start up for your truck, position tin plated copper lugs on the top stud to best boost the charge of the battery. This battery cable replacement is built with heavy duty requirements in mind, being corrosion resistant with superior conductivity, which boosts current transfer to your vehicle’s power system. FleetPride is your First Click in Heavy Duty .