For very tough, continuous use. High cutting performance with minimum effort due to optimum coordination of the cutting edge angle and transmission ratio. Precision cutting edges induction hardened (approx. 64 HRC) cut several types of wire including piano wire. 10 in. length suitable for copper conductors up to 16 mm² and aluminum conductors up to 35 mm². 12˚ angle head for hand clearance when cutting. Chrome vanadium heavy-duty steel; forged, multi stage oil-hardened.