High Quality: Our jumper cables are made of high quality copper clad aluminum and are sturdy for quick and secure connections and faster conduction. With high current 500A, the clamp housing is made of ABS, and the contact points are stamped iron housings and copper plated. Product Usage: The car emergency jumper cable can be used when the car cannot be started due to lack of power, with this cable you can start it by taking power from another battery or from above the vehicle. It can be used for all types of generator and starter battery connections. Safe Design: One red cable and one black cable, the colors are an important indication of where the cables are connected. The clamps have a durable and fully continuous plastic sheath. The ignition cables are equipped with mandatory surge protection and are safe. Stable Performance: The jumper cable clamps are equipped with springs and thus ensure better clamping of the two poles. The large diameter of the cable ensures fast and smooth energy transfer. In just a few seconds, the tangle-free jumper cables can start the engine of your vehicle or another vehicle.