Threaded hole in top with screw in acorn nut and brass split washer. 12v Ignition coil.
6V WET ACORN NUT SCREW IN TOP IGNITION COIL AS LUCAS DLB112 AUSTIN 7 8 10 12 14
Classic Car & Motorcycle HT Lead to Coil Acorn Nut Long & Contact, 105036C
6 X DISTRIBUTOR ACORN NUT SCREW TERMINALS 6 BRASS SPLIT WASHERS 6 1930-60s LUCAS
IGNITION COIL LONG SCREW IN ACORN NUT WITH BRASS SPLIT WASHER AUSTIN 7 MGA MGB
Acorn Nut for Lucas Magnetos, LU410600 fits 7mm & 8mm Ht leads
Lucas type Long Acorn Nut Screw in Ignition Coil HT Lead for pre 1960 cars