"Modular Plugs from Cables To Go are the perfect solution for creating custom lengths of modular or Cat5 network cables. The Modular Plugs are manufatured from high-impact clear poly-carbonate to withstand everyday wear and tear. And with their UL/CSA listed rating, you can expect error-free data transfers. Plug Type: RJ11. Position/Conductor: 6x4. Gold-plated contacts. Designed For: Voice applications. Compatibility: Round Solid Cable."