Includes a strong spring and a comfortable handle for secure placement and easy positioning. Safety featured of shelled vinyl coated clamp for rust and corrosion protection. 7 Foot length makes it easy to reach from one car battery to another. Copper clad aluminum cables remains flexible even at -40°C. Heavy duty, tangle-free, easy to use booster cable with carrying case allows you to conveniently store this handy cable in your vehicle or garage when your vehicle requires the extra boost. Works with most cars, vans, SUVs with 12 volt batteries. Instructions and warnings printed on the back of the carry case for your convenience and safety. Clamps are ergonomically designed and distinctly color coded with shielded surfaces for safety. Instructions attached to cables for ease of use red/black exterior for quick identification.