Professional Quality tested to 10000V and insulated to 1000V AC and 1500V DC for live line working. Manufactured from vanadium electric steel oil hardened and tempered. Swedish pattern with smoothly ground chrome plated head and separately induction hardened cutting edges to 62HRC. Will cut hard medium-hard and soft wires. Heavy 'S' Range plastic dipped insulated handles with slip guards for extra safety. Display packed.