The Diamond Nail Drill Bits model D11 are featuring a Cone Rounded shape that is essential for nail technicians. This model stands out as the smallest among Cone Rounded variants, offering unparalleled precision and versatility. These bits are of two variants. Fine (red) bits are recommended: for polishing the cuticle zone after removing the cuticle and cleaning under the nail edge. Medium Bits for Versatile Use (Blue): The Medium Diamond Bits are crafted for a spectrum of nail care procedures, making them the go-to choice for professionals. With this set, you can confidently perform tasks such as: Raising the non-adjacent cuticle. Expertly opening sinuses. Skillfully developing the peri-otic sinuses. Precisely processing side rollers. Maintenance: After completing a procedure, follow these essential steps: Wash, clean, sterilize, and dry all bits used during the process. Utilize a solution of at least 70% alcohol for effective disinfection. Specifications: Speed Recommendation: Up to 25000 RPM. Shank Diameter: 3/32” Length: 44mm Head Dimensions: 1x6mm Bit Shape: Cone Rounded Head Material: Diamond Shank Material: Stainless Steel