with long cutting edge, high cutting performance through power joint, precision stripping holes for conductors 1.5 and 2.5 mm², comfortable cutting of NYM cables up to 5 x 2.5 mm², long tips for the finest cutting work even in confined spaces, inductively hardened precision cutting edges , Cutting edge hardness approx. 60 HRC, vanadium electric steel, forged, multi-stage oil-hardened