Use to make easily-accessible battery connections, inside or outside the vehicle. Can be used individually or in pairs. Easy to install. Solid brass posts. Includes brass hex nut and lock washer. Jumper terminals have contact post 13/16-Inch (20.6mm) diameter, 1 1/8-Inch (28.8mm) long, which is grooved to accept standard jumper cables 6 -48V DC. Replacement red cap: 97846-A.