The Diamond Nail Drill Bits in the Barrel shape crafted for efficiency and accuracy. These versatile bits are available in three variations: Fine (Red): recommended for: Removing the gloss of natural nails and preparing for acrylic buildup. Treating pterygium and gently raising non-adjacent cuticles. Safely opens sinuses during the process. Medium (Blue): used for: Correcting the free edge of the natural nail plate. Lifting and removing cuticles, Polishing periungual ridges Preparing the nail plate for coating. Cleaning the nail wall for a flawless finish. Coarse (Green): recommended for: Removing of part of the nail plate. Creating an arch under the nail and treating surface cracks. Treating and removing of corns and calluses. Maintenance: To ensure the longevity and hygiene of your tools, follow these essential post-procedure steps: Wash, clean, sterilize, and dry all bits used during the process. Utilize a solution with at least 70% alcohol for effective disinfection. Specifications: Speed Recommendation: Up to 25000 RPM Shank Diameter: 3/32” Length: 45mm Head Dimensions: 5x7 mm Bit Shape: Barrel Small Material Head: Diamond Material Shank: Stainless Steel