Hardness (Abrasiveness): Red – Soft (for thin and standard cuticles) Blue – Medium (for rough and wet cuticles) Application: Lifting cuticles Treatment of sidewalls Nail plate buffing (alternative to a buffer) Material: High-quality diamond coating that does not heat up, ensuring high wear resistance, lasting from 2 to 6 months depending on the intensity of use and proper handling.Care for Diamond Bits: Mechanical cleaning after each use with a special brush. Soaking in a special solution for cleaning bits and drills, or cleaning in an ultrasonic cleaner. During the disinfection process, adhere to the recommended concentration according to the instructions. Increasing the concentration can damage the coating of the bits. Sterilize in a dry heat sterilizer only when the bits are completely dry, and at a temperature not exceeding 180 degrees Celsius. For professional use only. Store bits in a dry place.