High leverage diagonal cutters require little effort due to proper coordination of cutting edge angle, leverage ratio, and handle shape. Forged-on axle for heaviest duty. Suitable for all types of wire including piano wire. High cutting performance with minimum effort due to optimum coordination of the cutting edge angle, transmission ratio and ergonomic handle shape. Precision cutting edges additionally hardened, cutting edge hardness approx. 64 HRC. Cuts 4.6mm Nails and Medium Hard Wire, 3.5mm Hard Wire and 3mm Piano Wire.