A specialized instrument called a telephone plug crimping tool is used to install telephone plugs, particularly RJ11 and RJ22 connectors. To provide safe connections between phone wires and modular connectors, these gadgets are frequently employed in networking and telecommunications. The crimping tool usually comprises of a cutter to trim extra wire, a stripper to remove insulation from the wires, and a handle with a mechanism to crimp the plug onto the cable.

This specific instrument can be used for many different tasks, such setting up new phone lines, fixing broken connections, or making cables to order. Its ability to do cutting, crimping, and stripping tasks all in one handy tool makes terminating cables with modular connectors easier.