Expert Quality, tested to 10,000V and insulated to 1000V AC and 1500V DC for live line working. Manufactured from vanadium steel, oil hardened and tempered. Smoothly ground chrome plated head with cutting edges separately induction hardened to 61HRC for cutting medium-hard wire 3.2mm and hard wire 2.2mm. Straight, long flat-round jaws are serrated for easy grip. Heavy two colour insulated handles with slip guards for extra safety. Display packed.