UP FOR GRABS IS A VINTAGE 2007, NEW DORMAN TRAFILITE...HAS THE BAYONET BULB  AND NEW OLD STOCK SO ITS MINT AND NEVER USED, IT HAS THE FULL THICKNESS BOLT, ....ORIGINAL AMBER LENSES.....THEY WERE SEEN ON UK ROADS FROM 1983 TO 2019, USUALLY FASTENED TO TRIPODS OR CONE HANGERS....MOST OF THE THEN MAINTENANCE COMPANYS USED THEM AS THEY WERE SO GOOD AND REASONABLY STRONG...THIS IS IDEAL FOR A COLLECTOR....THIS HAS THE BRITISH STANDARD MARK 3143...

NOT MANY OF THESE LEFT NOW, I GOT THEM IN 2010 SO 14 YEARS OLD.