The Draper 91879 Heavy Duty Booster Cables are made from pure copper cable The Draper 91879 is a set of expert quality, heavy-duty booster cables fitted with heavy-duty handles with a PVC cover. The pure copper cable is insulated with TPE, making the cable ultra-flexible. Suitable for 12V/24V systems and on petrol and diesel engines commonly found in cars and commercial vehicles. Supplied in a luxury padded EVA storage bag. Features: Pure copper cable Suitable for 12V/24V systems Ultra-flexible TPE cable insulation Supplied in a luxury padded EVA storage bag Specifications: Weight: 2.2kg AMP Rating: 320AMP/1.2V