Usage: Nail art bits with different roughness surfaces to meet your needs, quickly remove nail glue for cleansing, shaping, cutting, and smoothing. Emery Stainless Steel: Nail drill bits made of emery and stainless steel, with high strength and durability, low cutting performance, and less dust. Universal: Includes 7 different styles and shapes of nail drill bits, compatible with most nail grinding machines, designed for long-term use without breaking. Multifunction: Nail grinding head used to remove nail polish and dead skin, produces less dust, suitable for manicure, nail removal, and nail polishing. Widely Use: Nail art drill bits set is easy to install and can be used for most gel nails, suitable for experienced manicurists or nail beginners. Item Type: Nail Drill Bit Set Material: Emery, Stainless Steel Quantity: 7 pcs 7 x Nail Drill Bits 7 x Storage Box