- Fine dispersion (53 - 63 microns). - Permissible rotation speed 300,000 rpm. - The material of the working cutting part and shank is stainless steel of increased strength. - Type : Fine. - Color : Red - Iso : 198 - Diameter : 017 mm - Working : 9.1 - Overall Length : 21.7 **For further product information, please contact Chat Support**