Sizes: #80 coarse grit, #120 medium grit, #180 fine grit, and #240 ultra-fine grit. Material: The sanding bands are made of high-quality material with high hardness, durability, and wear resistance, ensuring they won't easily fall off during use. Application: These sanding bands are perfect for creating a smooth surface, shaping, removing gel nails, cuticles, or dead skin. Suitable for nail studios, beauty salons, spas, or DIY manicures and pedicures, ideal for both beginners and professional nail technicians. The sanding bands fit most types of nail drills. Easy to Use: Simply attach the nail sanding band to your drill and you're ready to go. These nail file accessories are lightweight and portable, allowing you to do your manicure anywhere and keep your nails smooth. Package includes: 100/pack Brown 80#, White 120#, Black 180#, Rose Red 240# + one silver mandrel: one set in a bag.