I've been curious about these pin polishers for quite a while, so I ordered the following from CousinsUK: In hindsight, I regret not ordering the two-millimetre versions instead as the polishers tend to hit the fingers/tweezers when rotated. Yes, indeed, but it depends on the hardness and grit. The medium grit and medium hardness polisher will quickly taper the pivot so stay away from it. It's very aggressive. I would say all you need is the extra fine grit and