The Logik LLTDOUB11 Telephone Doubler converts a single phone socket into a dual outlet. Need more than 1 telephone socket? If you need more than 1 telephone socket, convert your single socket to a double socket with this handy LLTDOUB11 Telephone Doubler. Suitable for more than just telephones The LLTDOUB11 Telephone Doubler is compatible with all standard UK telephone sockets, & is suitable to use with modems, answer machines & faxes too. Minimise extra cabling with the Logik LLTDOUB11 Telephone Doubler.