Flame-shaped diamond coated rotary file, 1.8 mm. Fine abrasiveness is used for treating the nail cuticles and nail walls. Material of the working part: Diamond coating. Shape: Flame Bit diameter: 1.8 mm Leg length: 36.6 mm Abrasiveness: F (Fine), red notch. Care of tools: Can be disinfected in any solution and sterilized at any temperature. Suitable for beginners.