Forcome's 1 GA 20' super duty Jumper Cables are great for getting you out of your next roadside emergency. They have large color coded clamps that are easy to use and the cables are flexible and tangle free and provide for easy polarity identification. They are designed for front to front and side to side hookups only. The clamps feature Nickle coated jaws and vinyl coated clams to prevent rust and corrosion.