Overview: This set is a professional nail grinding heads for nail drill machine, necessary tool for polishing and smoothing nail. Easy to Clean and Safe for Nails. Features: 5 different shapes and sizes: round head grinding head, flat head grinding head, corn grinding head, rough grinding, medium grain to meet your needs. Made of high-quality ceramic materials, these nail tools are wear-resistant, sharp and durable, and exquisite and delicate. You can grind, grind, and apply nails very quickly and efficiently, and can be used to clean the cuticles of nails to modify nails and remove frozen, gelatinized and acrylic. About 2.35mm diameter grinding handle for most nail polishers. With a transparent box, no need to buy a storage box, beautiful, clean and easy to store. Ideal for nail salons, professional nail artists, perfect for manicures and pedicures. Specification: Type: Nail Grinding Tool Material: Tungsten steel Quantity: 5pcs Bur diameter: 2.35mm Per box Size: 7 * 1.2 * 1.2cm / 2.8 * 0.5 * 0.5in Package Size: Approx. 12 * 8 / 4.7 * 3.1in Package Weight: Approx. 48g / 1.7oz Package List: 5 * Nail Grinding Tool 5 * Storage Box