2m 13 pin to 13 pin extension lead for trailer, boat, trailer, caravan, bike rack etc.
JVJ 2.0m 13-pin to 13-pin adapter plug connection extension cable for trailer boat trailer car tractor car trailer caravan caravan bike carrier etc. : Amazon.co.uk: Automotive
Conversion Lead 7pin to 13pin | SBS Trailers | Great British Boat Trailers
JVJ 3.0 m 300 cm 13-Pin to 13-Core Connection Extension Coiled Cable Lead for Trailer caravan Boat Trailer Tractor : Amazon.co.uk: Automotive
ETUKER 13 Pin Trailer Extension Cable,Spiral Extension Lead,trailer Board Extension Lead with 13-pin Male Plug to 13-pin Female Socket,1.8m Working Length : Amazon.co.uk: Automotive
Streetwise 13/7 Pin extension lead | Caravan Tech
1.5m Suzi Lead Extension with 13 Pin Plugs | Edwards Trailers
SUZIE LEAD
2.5m Suzi Lead Extension with 13 Pin Plug & Socket| Edwards Trailers