Schumacher Black Negative Booster Clamp features full power jaws (distributes full power to both jaws), heavy duty construction for durability and long life, solid copper jaws for better conductivity, and a braided internal power crossover strap instead of wire for even power to the jaws. Used on all PSJ Series Booster Packs.
Warning: This product may expose you to chemicals including lead which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov