The Everstart 928W Side Terminal Extender Bolt replaces corroded bolts on 6-12-volt batteries and is used for dual cable hook-up. Keep this bolt on-hand in your glove compartment or tool box and always have replacement parts at your disposal. Simply remove the existing bolts eliminate corrosion with a wire brush and screw the bolt on your battery terminal. This extra long bolt is made of plated steel with a hex drive and diesel spacer for easy installation. Coleman Cable Inc. is a leading manufacturer and innovator of electrical and electronic wire and cable products for the security sound telecommunications electrical construction retail commercial industrial irrigation HVAC and automotive markets. Coleman Cable Inc. offers a family of leading brands such as Designers Edge Fire Shield and Woods.