Flat Phone Cord Cable 50' FT Wire 4 Conductor 4C Modular RJ11 Line Audio Data Signal Telephone Jack Line RJ-11 Hook-Up Extension, Silver Satin, Bulk Roll with No Connectors Used to connect telephone devices to telephone jacks 4 Conductor Telephone Cable Perfect for hiding under carpet or molding 50' Foot Bulk Cable Length Less than half the thickness of a standard line cord Gray Outer Jacket