97 59 12 3 spare blades for 97 51 Professional tool for cutting and stripping unshielded ribbon telephone cables. For crimping 4-, 6- and 8-pole Western plugs type RJ 10 (7.65 mm width), type RJ 11/12 (9.65 mm width) and type RJ 45 (11.68 mm width). Precise crimping process thanks to parallel crimping. Repetitive, high crimping quality due to ratchet mechanism (unlockable). Optimum transmission of force thanks to toggle lever for fatigue-reduced operation. With length cutter and stripping knife for ribbon cables 6 and 12 mm length. With additional stripping device for round cables.