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 with little effort. Cutting edges additionally induction hardened, cutting edge hardness approx. 64 HRC. Chrome vanadium heavy-duty steel, forged, multi stage oil-hardened Model: With slim multi-component grips without collar for better handling and easier transport. Opening spring and locking device are integrated in the handles also for comfortable work and protected transport.