Professional quality tested to 10 000v and insulated to 1000v ac and 1500v dc for live line working manufactured from chrome vanadium heavy duty steel oil hardened and tempered smoothly ground heads with separately induction hardened cutting edges for cutting piano and 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 and slip guards for extra comfort and safety