Diamond Nail Drill Bit D-129, shape barrel, head size 5x7 mm Diamond Bits elevate nail care routine, offering precision and quality for diverse applications. Diamond Nail Drill Bits, Model D129, feature safety sides, diamonds on the top, and rounded edges, minimizing the risk of injury. They are recommended for work with diabetics They are available in two variations suitable for different needs. Fine Bits for Sensitive Skin (Red): Specially designed for sensitive skin. Ideal for treating pterygium. Safe for opening sinuses and skillfully treating the nail wall. Medium Bits for Versatile Use (Blue): Recommended for precise side roller processing. Perfect for shaping the nail's free edge. Effective in cleaning nail grooves and rounding nail corners. Specifications: Speed recommendation: Up to 25000 RPM. Shank diameter: 3/32” Head dimensions: 5x7mm Length: 44mm Grit: Fine, Medium Shape: Barrel Material head: Diamond Material shank: Stainless steel