Prepme - diamond mini ball

 The diamond Ball Bit is a dry manicure bit for cuticle exfoliation. Once the cuticle has been lifted up and off the nail plate, gently trace the rim with the bit

1.6mm diameter sphere, available in five grit.

Optimal use at 10,000-20,000 RPM

Do not make contact on the nail with this bit. 

Specs:

Diamond bit

left and right handed use

Fits all efile machines with a standard shaft width