These are all genuine DellOrto jets flow tested at the factory.
Thread size M5 x 0.75mm.
Used as a main jet on the following carburettors: PHBG, SHA, VHB CS & CD, VHBT CS & CD, UA/MA, UB/MB, SHB/SHBC, SH1 & 2. Used as an idle (pilot) jet on the following