Tyred question

[Nobbi1977]

I am having a bit of a sort out day. Trying to understand why I purchased some things and trying to find uses for the bits I cannot remember.

I have three pairs of these tyres

They seem to fit the DT-03 wheels ok but not sure if that is why I got them. Any other 12mm hex wheels this sort of size? fasttrax tyre on the left

Would need to be cheap, I hate expensive wheels and tyres because I tend to abuse both.