The knipex 97 51 12 crimping pliers for western plugs is a professional tool for cutting and stripping unshielded ribbon telephone cables they are ideal for crimping 4 6 and 8 pole western plugs type rj 10 765 mm width type rj 1112 965 mm width and type rj 45 1168 mm width the parallet crimping function gives you an exact crimping process