Compact 20m Telephone Extension Cable Kit by Masterplug
Brand New Sealed in Packaging
Comes with 20m flat cable, RJ11 to BT Adapter and slimline BT Socket Terminal
Allows DIY installation of an extra phone socket up to 20m from the existing
Ultra flat cable allows you to hide under carpets / around door frames / under wallpaper
Manufacturer freephone helpline available
Simply plug into your exisitng socket (you can still use this socket as well as having the extension connected to it)
The cable is white and ultra flat meaning that it can be laid down under carpets or stuck to skirting boards or even underneath wallpaper. 
Ideal for extending your Sky Box connection or moving the position of your internet router.
Will fit most telephone connections, for example BT lines.
NetReady - This is suitable for internet connected telephone lines.