[High quality] The phone line splitter is made of ABS material,non-toxic and harmless,can be used for a long time, single-hole RJ11 6P4C cable. [Easy to connect] The telephone adapter is used to connect the line or the single jack of the telephone socket, with accurate signal transmission and clear sound quality. [Moderate length] The length of the cable eliminates unnecessary confusion between phones and improves the signal strength. [Durable structure] The contacts are plated with thick gold, phone line splitter with RJ11 sockets and cables. [100% satisfied] If you are not satisfied with the phone line splitter,you can contact us at any time, and we will serve you wholeheartedly! Phone Line Splitter,Telephone Splitter,with RJ11 6P4C Plugs,Suitable for Telephone,Fax Machine (Black /12 Pack)