Soldering type nut (olive) and nipple pipe ends supplied in sets (one nut, one nipple) to be used with 5/16" OD copper pipe.
See our full range of fuel parts for vintage 1/4" BSP in category Fuel>>>Fuel Pipes, Hoses & Connectors>>>Fuel Pipe & Fittings Imperial
BSPP Female Thread 1/4"
Tube O/D 5/16"