I am looking for a 1.2mm vinyl tube,is there anyway where can i find it?

Maybe using the sleeve of an electrical wire?

I was just about to suggest the same thing. If you have any broken electronics around, take them apart, it's quite likely there's some right diameter wire used in it.

I purchased masterbox German tanker,WW-2.this is is 5 figure set.one figure pumping gasoline.I trying to replace the plastic hose with a vinyl tube.

Then electrical wire should be fine, specially if you can get the one that comes with a single wire inside (not the stranded one), it will help to form the shape you want and keep it.

Do you really need a vinyl tube. Perhaps solder or a copper wire in the same diamter could do the trick?

Cheers

Electrical wire is good. If you really need a pipe buy 1mm shrink tube at an electronics supply shop. If you heat it with a heat blower or a lighter it will shrink exactly to 1mm inner diameter and about 1,2mm outer diameter. One tube is normally 75cm long and costs a few cents.

tHANK's