Professional Quality tested to 10000V 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 hard and soft wires. Straight long flat-round jaws are serrated for easy grip. Heavy 'S' Range plastic dipped insulated handles with slip guards for extra comfort and safety. Display packed.