Bestgle 30pcs Diamond Nail Drill Bit Set, 3 32 Inch Tungsten Carbide Drill Bits for Acrylic Gel Nails Cuticle Manicure Pedicure Different Nail Bit Heads for Varied Uses Comes with 30Pcs nail file bits, including flame bit, nib bit, safety bit, cylinder bit, ball bit, micro ball bit and needle bit. Improve the effect of the Manicure The pre-polishing head of the manicure can effectively remove the roughness and unevenness of the nail surface, make the nail smoother and flatter, provide a good foundation for the subsequent manicure process, and make the manicure effect more outstanding. Strong and Steady These cuticle drill bits for nails have superior strength, sharpness, durability, heat resistance, and corrosion resistance thanks to the highest precision diamond metal material. Convenient and Easy to Use The design of the nail art front grinding head is simple and easy to use. Just insert the nail art equipment to start the operation, eliminating the cumbersome manual steps and greatly saving time and energy. Specification: Material: Tungsten Carbide Head Surface: Diamond Coated The diameter of the Drill Shank: 3 32" 2.35mm Grit: Green-100Grit, Blue - 140Grit, Red - 200Grit, Yellow-240Grit Overall Length: 45mm 1.77" Package Included: 30 x Nail Drill Bit 1 x Plastic Pocket Storage BoxNail drill bit suitable for natural nails or artifical nails, Perfect tools for nail salon, beauty parlor or personal manicure pedicure.et. The 2.35mm 3 32" diameter grinding handle is suitable for most electric or rechargeable manicure machines. Diamond nail drill bit does not hurt the natural nail and easily use it for cleaning cuticles and acrylic gel. Nail drill replacement bits are made of tungsten steel, the head coated with diamond which excellent strength, sharpness and durability. 30 Assorted nail drills bit with different shapes can wipe away nail gel, remove dead skin, file, polish, and reshape nails.