Modern IDC connectors for ease of installation. 4/3a type 86mm x 86mm standard size complete with back box.
Telephone Socket Extension + Back Box + BT Line extension sockets bundle x7
BUNDLE x 7 - Telephone Socket Extension + Back Box + BT Line extension sockets
2/1a Telephone Socket Extension + Back Box + (Master Socket) BT Line Jack Unit
2/1a Telephone Socket Extension + Back Box + (Master Socket) BT Line Jack + Tool
2/1a Telephone Socket Extension + Back Box + (Master Socket) BT Line Jack + IDC
LJ2/1a Telephone Socket Extension + Back Box + (Master Socket) BT Line Jack Unit
