120192-010 9-1/4 Inches Battery Top Post Terminal Spreader / Reamer (10 Pack) - Serrations on the jaws work as a reamer to dress the contact surface of the clamp. Made of forged steel with vinyl dipped handles to increase corrosion resistance and provide a non-slip grip. Designed to evenly spread connectors. Forged steel design evenly spreads connector,Use serration to ream clamp,Vinyl dipped non-slip handle resists acid
