Tungsten Carbide Dust-A-Side Nail Drill Bit (1pcs) Highest Precision Standards: Made of hard metal with tungsten carbide, these nail art tools have the optimum strength, sharpness, durability, and the vibration-with a powerful cutting ability and free filing consistency you need, all while producing minimum friction which causes heat. To protect from overheating damage with heat resistance. Professional Quality: Sharp and easy to use Universal Size: 3/32" shank Function - It is ideal for nail beautify, nail polishing, nail clear and care, peeling, etc., suitable for the manicure, pedicure use, etc. You can sharpen, grind, neaten, carve, smoothen, polish, and reshape gel and acrylic nails, and remove the gel nail or dead skin.