50pcs Durable 4 Pin RJ11 RJ-11 6P4C Modular Plug Telephone Phone Connector Hot Brand new and high quality. Compatible with both solid and stranded wire. 6p4c head style(6 Positions 4 Contacts). Extremely high quality module plugs. Make the telephone cable using this plug. Gold plated contact leads for better data transmitting and higher signal strength. Plugs for CAT 3 solid or stranded wire solid or stranded cable. Telephone Modular Plug. The plugs offer support for phone or voice applications in home or office abling systems.