DCC Concepts DCC-218.6 DCC Decoder Adaptor 8-Pin Decoder Socket with 21-Pin Decoder Plug

DCC adapter plate with a socket for 8 pin decoders and connector 'plug' for 21 pin connection.
This allow 8 pin decoders (eg. Hornby TTS sound decoder) to be connected to locomotives with 21 pin decoder 'sockets'. Additional solder pads are provided to allow for up to 6 function channels.
Photo shows pack of 50 for illustration only
Only 1