5 1/2" High Leverage Diagonal Cutters With forged-on axle for heaviest duty. Suitable for all types of wire including piano wire. High cutting performance with minimum effort due to optimum co-ordination of the cutting edge angle and transmission ratio. Precision cutting edges additionally induction-hardened, cutting edge hardness approx. 64 HRC. The 250-mm-long diagonal cutter is suitable for copper conductors up to 16 mm² and aluminium conductors up to 35 mm². Chrome Vanadium electric steel, oil-hardened and tempered 7401140