These trick banjo bolts from Aeroflow Performance have an M12 x 1.25mm or 3/8-24” male thread to work with standard M12 or 3/8” banjo fittings. However, the head is drilled and tapped with a 1/8” NPT female thread. It is perfect for adding a pressure sender for a gauge or sampling port to a fuel system. It is made from 304 stainless steel, and the under head length is 1” (25mm).