- precision cutting edges for soft and hard wire as well as piano wire- cuts bolts, nails, rivets, etc. up to 5.2 mm dia.- most efficient joint design ensures exceptional cutting performance- cutting edges additionally induction hardened, cutting edge hardness approx. 64 HRC- Chrome vanadium heavy-duty steel, forged, oil-hardenedModel:- opening spring and locking device are integrated in the handles also for comfortable work and protected transport