Front and will only fit the curved fronted NTE5C socket. this part to repair you faulty NTE5C master socket. These will not fit onto the older NTE5A BT sockets with the flat. Split from a new sealed socket as an option if you only need.
Replacment BT Openreach NTE5C Master Socket Rear Faceplate Section TRACKED48
Replacment BT Openreach NTE5C Master Socket Rear Faceplate Section No Screws
Replacment BT Openreach MK4 Faceplate filter for NTE5C Master Socket TRACKED48
BT Openreach NTE5C Master Socket MK4 VDSL Faceplate + Box/BT 2/3A Slave Socket
Genuine BT Openreach NTE5C Master Telephone Socket MK4 VDSL Faceplate TRACKED48