Robust professional quality jump leads ensure good power transfer between vehicle batteries with minimal loss of current. Always carry a pair to help yourself or others out of trouble. Top quality, they`re ideal for general through to heavy duty commercial use, with copper clad aluminium cables, durable PVC sleeves with robust clamps. Suitable for petrol engines up to 5.5 Litres & dieseal engines up to 3 Litres. Powerful copper jaws for secure terminal connections. Cable size 3.5M long x 41mm section. High grade PVC sheathing resistant to all automotive fluids. Fully insulated grips with recessed contact points to minimise risk of accidental short circuit. Maximum recommended boost 350 amps at 12v – 24v.