Red Hound Auto Jumper Cable Kit 16' Foot Commercial 4 Gauge Booster Cables Heavy Duty Clamp with Copper Jaws Red Hound Auto Jumper Cables Includes carrying case 16 Feet. 4 Gauge High quality terminal clamps for easy clamping. All Season: will not be affected by weather temperature variations . These premium, commercial grade booster cables use the highest quality copper-clad aluminum wire for great conductivity and a fast boost.