STANLEY Jump Cables for all vehicles. Suitable for petrol engines up to 5.5L and Diesel engine up to 3.0L - Support up to 350A Peak Amp. 3.5m copper plateed cable with premium insulated clamp to help prevent short circuits. Can be used with 6v, 12v, or 24v systems. These jump cables are made from 3.5m x 25mm Aluminum copper coated cables for high conductivity and come in a Premium EVA case for easy & safe storage. Plastic insulated clamps for maximum security and safety. Red for positive, black for negative. With these leads, you can easily get camper vans, motorbikes and leisure vehicles started as winter draws to a close, and are essential for jet skis and speedboats, and to restart your lawnmower at the end of winter.