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That looks like it would do the job but the buffing wheels are pretty small, perhaps they are for
smaller pieces of metal jewellery rather than bigger jobs ?

I was originally going to buy...

Miha, mine are leather reinforced holes:
163835

Miha, I bought mine off ebay but the Chinese seller is not active at the moment.
There should be other sellers, like these:

1. Polishing Buffing: Other Tools | eBay

2. Dental Laboratory LAB...

As a fellow flat-dweller I find space a problem, so I bought one of these as well.
From Hong Kong and quite cheap. When it arrived it wouldn't work, so I took
it apart and found the circuit board...