Upgraded MaterialMade of high hardness tungsten carbide and designed with chameleon color, sturdy enough to quickly remove hard gel nail. Superior nail drill bits protect your skin due to heat resistance Mufti Functions Nail BitsTotally 10Pcs different nail drill bits, various shapes and sizes meet the diversified needs. Suitable for natural nails or artificial nails, fit most 3/32" inch nail drill machines Professional and ReliableWith high precision standards, ideal for reshaping, polishing, smoothing, grinding, sharpening, carving builder nail gel nails or acrylic nails. Suitable for professionals and beginners Washable and ReusableNail drill bits are corrosion resistant and not rust, rinse or brush off the dust and powder on the drill after each use, then you can use them again. It is professional for both home and salon use Superior Nail Sanding BandsWith durable senior material, includes 3 different sizes in 3 colors. 25 brown coarse nail grit sander 80#, 25 zebra medium grit sander120#, 25 black fine grit sander 180#, saving your money