Designed to slit and ring many types of tight buffers, loose tube buffers, breakout cables, and other types of jacketed fiber cables, this Jonard Tools JIC-4366 Cable Slitter y Ring Tool is perfect for any fiber technician. An L-shaped hardened steel guide and blade guard are specially designed to allow the tool to slit open jackets while protecting the buffer tubes and fiber inside the cable. The slitter blade is located at the top of the tool, has 1/4' of the blade exposed, and is held in place by the 3/4' L-shaped steel guide. The ringer can be used on 3/16 to 1/2' diameter cables and cuts through plastic, rubber, or fabric insulation sheathing with 0.031 or 0.018' thickness.