The Pentagon Drill Bit is made for the advanced professionals looking for speed and quality! This cuticle drill bit is unlike anything you've ever seen, it's smooth sides allow you to gently lift the eponychium/nail fold to expose and safely remove the cuticle underneath. It removes excess skin around the nail plate, and it's perfect for opening up the side walls and giving you a perfect dry manicure.
More info:

Carbide Bit
No Grit
Standard shank size 3/32" (fits all professional nail e-files)