Is made for a Simson S50/S51 but also works for our Swedish mopeds with hoods that make the knob for the tap have to come out a bit.
Complete with 25 cm gasoline hose 5 x 8 mm, filter 6 mm and clamp.
The protruding length of the pin from the nut is 36 mm.
Up to the black knob 28 mm.