74 02 180 SB High Leverage Diagonal Cutter 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 also induction-hardened (hardness approx. 64 HRC), for all wire types including piano wire. With comfort handles: consisting of three ergonomic components for optimized handling and equipped with two KNIPEXtend interfaces for extensions. - Cutting capacities medium hard wire (diameter): Ø 3.8mm- Cutting capacities hard wire (diameter): Ø 2.7mm- Cutting capacities piano wire (diameter): Ø 2.2mm