- Standard fineness (106 - 125 microns). - Permissible rotation speed 300,000 rpm. - The material of the working cutting part and shank is stainless steel of increased strength. - Type : Short Shank. - Color : Blue. - Iso : 299. - Diameter : 018 mm. - Working : 9.6. - Overall Length : 20.9. **For further product information, please contact Chat Support**