- for heaviest duty - with gripping zones for flat and round material, suitable for versatile use - with cutting edges for soft, hard and piano wire - long cutting edges for thicker cables - cutting edges additionally induction hardened, cutting edge hardness approx. 64 HRC - particularly wear resistant gripping jaws; hardness of the gripping jaws approx. 53 HRC - Chrome Vanadium electric steel, oil-hardened and tempered