It looks like your positive contact has snapped in half. You will need a new positive contact which is unobtainium, unless you can find someone who has a bunch of these as spares.
You could maybe try to diy your own from a mod that uses a similar mechanism.
You are looking for something like...
I agree with finding a pipe that can take rebuildable tanks. I looked for years and eventually found one I was after not too long ago. Good luck with the search!
I have a Limelight Coral Rose and on top a Dvarw 16mm.
Is this what you are after? https://www.throatpunch.co.za/collections/rebuildable-tank-atomisers-rta/products/svoemesto-kayfun-lite-22-24-windows?variant=32061985128518
That is 546 x 30ft spools of wire.
x R80 = R43 680 > Some retailers are selling at R100 - R120 for 30ft
That is if you disregard the cost of spools and fancy stickers.
:banana: