1STec BT77A 2 or 3 Pair Telephone Cable Internal use IDC Punch Down Junction Box for Joining or Repairing CW1308 to Dropwire or CW1412 Down Lead (BT 77 A, White) : Amazon.co.uk:
BT Master Single Telephone Socket - Screw Terminals - PSTN Line Wall Face Plate 2/4A - Loops : Amazon.co.uk: DIY & Tools