Required to adapt trucks or trailers with the new heavy-duty sockets to the current large round sockets and vice versa. Extends to 4.6 metres (15ft) with 6 cores of 2mm² cable, one 3mm² earth/ground cable and two 250mm short tails fitted with standard metal plug (P/No. 82161) and SAE plug with cable guard (P/No. 82194)