Knipex 67 01 Series High Leverage End Cutting Nippers have cutting edges suitable for soft, hard and piano wire. High cutting capacity with little required effort due to optimum co-ordination of cutting edge angle and transmission ratio. Made from forged heavy-duty chrome vanadium steel that has been oil-hardened, multiple times. Black atramentized finish with a polished head. The cutting edges have been additionally induction hardened, approx. 64 HRC. Fitted with plastic coated handles for increased comfort. Cutting Capacity Ø: 67 01 140: Soft 4mm, Medium-Hard 3.1mm, Hard 2mm, Piano Wire 1.5mm 67 01 160: Soft 4.5mm, Medium-Hard 3.4mm, Hard 2.5mm, Piano Wire 2mm 67 01 200: Soft 5mm, Medium-Hard 3.8mm, Hard 3mm, Piano Wire: 2.5mm