Knipex 7401180 7-1/4-Inch High Leverage Diagonal Cutters Handles are Non-Slip Plastic Coating Forged on Axle Makes it Suitable for all Types of Wire Including Piano Wire High Leverage Cutting Performance with Minimum Effort due to Optimum Coordination of Cutting Angle, Transmission Angle and Ergonomic Handle Precision Cutting Edges Induction Hardened Cutting Edge Hardness Approximately 64 HRC Chrome Vanadium Electric Steel, Oil-Hardened and Tempered