How to Use: Thin Needle Bit Filling away residual cured gel or cuticles in hard to reach areas, cleanning sidewalls, under nails, backfills Needle Bit Filling away residual cured gel or cuticles in hard to reach areas Flame Bit Used to create a lip of dead cuticle in order to better remove dead skin Nib Bit Removing nails, For Lifting the eponychium,delicate cuticle work Safety Bit Doing surface work for backfill cutting, shorten, infill cuticle Micro Ball Bit Safely removes dead skin, clean around cuticles and under the nails Ball Bit Clean under the nails, sidewalls and prep for backfills Flat-End Cylinder Bit In treating the surface and side grooves. Removes shine from the nail plate Silicone Bit Polish nail surface to make nail smoother. Cleaning Brush Shine or clean nail surface and other drill bits Package Infomation: Item Name Nail Drill Bits Kits Diameter of Shank 3/32 Inches (2.35mm) Material Tungsten Carbide Quantity 14 pcs in 1 Box Box Size 3 7/8 Inches x 2 5/8 Inches x 1/2 Inches (100mm x 65mm x 12mm) Features High Temperature Resistance, Corrosion resistance, Sharp and Durable