Shop Nilight Jumper Cables for Car Battery 4 Gauge 20 FT Booster Cable Heavy Duty 600 A CCA Jumper Cable with Carrying Bag Jump Start Battery Emergency Kit for Pickup Truck RV Vans SUV in high quality, The clamp is fully wrapped with PVC insulation coating to prevent short circuits accidental contact,and protect against rust and corrosion for increased durability and safety.