- The material of the working cutting part and shank is stainless steel of increased strength. - Coarse dispersion (125 - 150 microns). - Permissible rotation speed 450,000 rpm. - Type: Coarse. - Color: Green. - ISO: 111. - Diameter: 015. - Working: 8.2. - Overall Length: 22.0. **For further product information, please contact Chat Support**