KNIPEX Tools 71 12 200, Comfort Grip High Leverage Cobolt Cutters with Opening Lock and Spring Opening spring with locking device integrated in the handles for comfortable working and secure transport uts components like bolts, nails, rivets, etc. up to 5.2 mm dia Exceptional cutting performance with minimum effort because of new lever action design Cutting edges additionally induction hardened, cutting edge hardness approx 64 hrc