To twist and cut wire in one operation, then the Knipex 99 01 250 concretors nippers are the ones for you. They are fast, reliable and economical and will make light work of the toughest of job applications. The 99 01 250 nippers are precision made to give a long service life, making these the most widely purchased concretors nippers in the world. The cutting edges, with hardness to approx 61 HRC, will help make light work on soft and annealed tie wire used on reinforced rods or large braided reinforced concrete mesh. Knipex 99 01 250 concretors nippers are made up from high-grade special tool steel, forged and then oil-hardened for reliability and durability. They have plastic moulded handles for added grip and user comfort.KPX9901250 Concretors Nipping Pliers. Length 250mm (10 in).