Ball-shaped Diamond Nail Drill Bits—go-to solution for professional-quality results every time. They specifically designed for cuticle work and nail surface treatments. Crafted from premium diamond and durable stainless steel, these bits offer long-lasting performance and precision for both professional and at-home use. Variants and Uses Medium (Blue) and Coarse (Green):Perfect for removing dry, dead cuticles, these bits feature a more abrasive surface, making them ideal for the initial phase of cuticle removal. Achieve smooth and clean results effortlessly. Fine (Red):Designed for finishing and polishing, these bits gently smooth the cuticle zone and refine the nail surface. Their less abrasive texture ensures a sleek, professional finish. Green Maintenance: Proper maintenance is key to prolonging the life of your diamond drill bits and ensuring hygiene: Wash, clean, sterilize, and thoroughly dry the bits after each use. Disinfect with a solution containing at least 70% alcohol for effective sterilization. By following these steps, you can prevent the spread of infections and maintain the safety of your tools. Specifications Maximum Speed: Up to 25,000 RPM Shank Diameter: 3/32” Length: 45 mm Head Dimensions: 5.0 mm x 4.8 mm Shape: Ball Head Material: High-quality Diamond Shank Material: Durable Stainless Steel