Product Description Material: Ceramic Package content: 1 piece of grinding head set (7 pcs) Premium Ceramic Material: Made of superior ceramic material, these nail art tools are hard-wearing, sharp, and durable, crafted with precision. With excellent heat dissipation, the bits remain cool during extended use, unlike metal alternatives. Perfect Drill Bits: This set includes 7 different nail drill bits compatible with most nail drill machines. Durable for long-term use, these bits are ideal for smoothing nail surfaces and reaching tight areas such as sidewalls and cuticles. The brush bit helps clean and polish the nail surface and maintain the drill bits. Multi-Functional Design: Precision-engineered from high-quality ceramic for superior strength, sharpness, and durability. Professional shapes and sizes meet a variety of needs, including nail shaping, cleaning, and care. Ideal for refining edges and removing dead skin with ease. 7-Piece Nail Drill Bit Set: Includes Corn Top (coarse grit), Large Barrel Top (medium grit), Ball Barrel Top (fine grit), Umbrella Top (fine grit), Needle Bit (medium grit), Micro Ball Bit (medium grit), and Brush Drill Bit. Suitable for most standard shank nail drill machines. Easy to Clean: Ceramic bits are corrosion resistant and do not clog. The included brush bit easily removes dust from nails and tools, helping maintain hygiene and prolong tool life, promoting healthy nail care.