Fuel hose adapter for Bing carburettor 8 x 0.7 mm

Fuel hose adapter for several carburettors (e.g. Bing)
For petrol tubes with 5.5 mm ID
Thread: 8 x 0.7 mm, screw-in depth: 5 mm, nozzle length: 12 mm, overall length: 21 mm, 10 mm hexagon