Carbon steel, hardened lead screws and cast jaws. Wrapover coil jaws for extra safety. Long reach jaws are ideal for the longer type of coil spring found on modern vehicles. Features & Benefits:Carbon steel, hardened lead screws and cast jaws.Wrapover coil jaws for extra safety.Long reach jaws are ideal for the longer type of coil spring found on modern vehicles.Maximum Capacity Per Pair: 1100kg.Model No. AK3846 Specifications: Model No AK3846 Brand: Sealey Nett Weight: 2.03kg Drive: 21mm Hex/1/2"Sq Maximum Jaw Opening: 390mm Maximum Capacity Per Pair: 1100kg