7 PIN – 8 PIN 13 pin type TOWING ELECTRICS CURLY COIL x2 MALE PLUG CONVERSION EXTENSION CABLE 2.5M

Curly extension cable with 7 pin plug and 8 pin plug

x2 plugs - 1 x 7 pin 12N, 1x 8 pin (13 pin type connection)

8 pin for trailer lighting functions only, not for caravan supplementary electrics etc.