Check the listing for details. Professional Silver Under Nail Cleaner Safety Nail Carbide Bit Extra Fine Grit. Color: Silver, Condition: New. Listed at 8.59 USD. 3/32" Round Tip UNC Silver Drill BitThe PANA UNC (Under the Nail Cleaner) bit shape and size is perfect to get in-between tight spots, such as the underside of the nail without damaging the client's fingertip. The drill bit includes three different tip shapes: round tip, sharp point tip, and regular UNC tip. The UNC bit is commonly used for sidewall cleaning as well as under the nail cleaning. This UNC bit is also used by some nail professionals to create holes in the nails for decorative purposes.Tip Shape:Round Tip - Available in Medium gritSharp Point Tip - Available in Medium gritRegular Tip - Available in Extra Fine to Coarse gritsColors Available:SilverGoldQuantities Available:1 Piece5 Pieces10 Pieces20 Pieces (1 Box)