Diamond Nail Drill Bits D-1 - Shape: Ball The D-1 diamond nail drill bits are the smallest of the ball-shaped bits, offering precision and versatility for professional nail care. These bits come in three variants, each tailored to specific nail care needs: Fine (Red): Recommended for polishing the cuticle zone after cuticle removal and for working with sensitive cuticles. Medium (Blue): Ideal for removing dry, dead cuticles and cleaning the nail wall. Coarse (Green): Designed for removing rough, dry, and dead cuticle around the nails. It can also be used for removing corns and their roots. Maintenance: To ensure hygiene and extend the lifespan of your drill bits, follow these essential maintenance steps after each use: Thoroughly wash, clean, sterilize, and dry all used bits. Disinfect using a solution containing at least 70% alcohol. Specifications: Speed: Up to 25,000 RPM Shank Diameter: 3/32” Length: 45 mm Head Dimensions: 1.2 mm x 1.0 mm Shape: Ball Head Material: Diamond Shank Material: Stainless Steel