Professional Quality, tested to 10, 000V & insulated to 1000V AC & 1500V DC for live line working. Manufactured from chrome vanadium heavy duty steel, oil hardened & tempered. Smoothly ground heads with separately induction hardened cutting edges for cutting piano & medium hard wires. The cutter has a double supported axis allowing for 40% less effort when cutting compared to high leverage cutters of the same size. Heavy duty moulded handles & slip guards for extra comfort & safety.