The Knipex 71 series CoBolt® compact bolt cutters have a lever action mechanism which guarantees an extremely favourable lever ratio with low friction, and cutting performance is 20 times higher than the hand force applied (Requires 60 % less effort). CoBolt® compact bolt cutters are ideal for piano wire or for soft solid wire, bolts, nails, rivets and screws. Induction-hardened and with precision cutting edges. Edge hardness approximately 64HRc for added strength and durability, they have exceptional cutting performance with minimal physical effort because of the lever action. Material: chrome-vanadium electric steel and oil hardened Length 220mm.Atramentized head.Ergonomically PVC coated styled handles for added grip and comfort. Cutting Capacity: Soft wire 6.0mm.Med/Hard wire 5.2mm.Hard wire 4.0mm.Piano wire 3.6mm.The Knipex 71 02 Series CoBolt® compact bolt cutters have 2 component, soft grip handles and a lever action mechanism which guarantees an extremely favourable lever ratio with low friction, and cutting performance is 20 times higher than the hand force applied (Requires 60 % less effort). CoBolt® compact bolt cutters are ideal for piano wire or for soft solid wire, bolts, nails, rivets and screws. Induction-hardened and with precision cutting edges. Edge hardness approximately 64HRc for added strength and durability, they have exceptional cutting performance with minimal physical effort because of the lever action. Material: chrome-vanadium electric steel and oil hardened Ergonomically styled handles for added grip and comfort. Length: 200mm. Cutting Capacity: Soft Wire: 6.0mm, Med/Hard Wire: 5.2mm, Hard Wire: 4.0mm, Piano Wire: 3.6mm.