AOHEWEI 7 Pin Trailer Extension Lead Cable Metal 1.8M with Trailer Plug to Plug Aluminium Alloy Towing Light Connector 12V for Trailer Truck Boat or Caravan (1.8m extension lead 7 pin) :
7-pin trailer wiring harness 4.5 m with 5-pin connectors - UNITRAILER
Trailer 2.5m Extension Lead 12N 7 Pin Plug and Socket | Fieldfare Trailer Centre | UK - Fieldfare Trailer Centre
13 pin to 7 pin 7 Core Trailer Curly Extension Cable Lead GWAZA 2997 fits Ifor
Trailer Electrics 1.5m Curly Extension Cable Male to Male 7 Pin | DIY at B&Q
13 pin to 7 pin 7 Core Trailer Curly Extension Cable Lead GWAZA 2997 fits Ifor
7 Pin Trailer Truck Light Board Extension Cable Lead Male To Female Wire Pl GX | eBay
Maypole 7 Pin 6 m Straight Extension Lead (Plug To Socket), for Trailer Lighting : Amazon.co.uk: Automotive