Rj12 modular pugs solid, 50 pack modular phone plugs/connectors used to make custom phone cords or replace a broken phone cord plug.Here’s an in-depth look at the specifications of this rj12 modular plugs pack plug type: rj12 gold-plated contacts conductors: 6 compatibility: solid cable 50 per pack transparent plastic used for phone or voice applications in home or office cable systems color: clear