Wanted: Tiagra cassette(s) for science

Gentlemen

I am in need of non-road cassettes with pinned whole cogs. Seems all the "road" cassettes have that last-three freehub mounting interface that precludes ripping the cassette apart and using those cogs independently.

I think for this project any 28 tooth cassette will work, and I'm not sure speed matters.. But this abomination is for 10 speed, so I THINK a 10-speed 12-28 Tiagra cassette will get me where I am trying to go.

Anyone have one? Or other varieties? I am not even sure what gearing options 4600 came/comes? in.

Thanks

-Ben

PS - I think even worn out cassette would work fine, since it tends to be the smaller cogs that go bad first, and I only need a 28t/similar..... So and otherwise worthless and free 12-28 would probably work dandy

:-D