This unit is underpowered. Putting the least bit of pressure on the hand unit will cause it to slow down and just about stop. (No pressure on the hand unit means it does nothing.) I guess if you just had a manicure a few days ago and wanted to do a tiny touchup, it would be adequate. Otherwise, it may eventually smooth edges and possibly even remove a ridge or two -- but I haven't seen these things happen.
Oh, another thing: the discs are not identified in the machine. You have to look at the... more info
Manicure set:
This unit works fairly well. I think it is a bit underpowered. The discs are metallic, not actual stone as I would prefer. This doesn't work terrifically well at smoothing calloused or rough skin. It does file and shape nails fairly well and the polishing cylinders do a fair job of buffing out the nail surface.
