Single metal grinding drill $ 5.62 Brand Lidan/Lidan Name Nail Color Plated Tungsten Steel Grinding Head Material tungsten steel Features dedicated to grinding high hardness objects Color black color blue Use nail polishing/polishing/removal of dead skin, etc. Bearing diameter 2.35mm Clean the surface of the tungsten steel nail polisher without unevenness and smoothness, so that the surface is not easy to accumulate residue and dust, only water is needed Cleaning and disinfection with alcohol or natural air drying are also used in the field of medical equipment Specification: single