- This product has a stainless steel working part which is coated with fine diamond crystal. - It is defined as the rotary grinding instruments for hard tissues such as tooth and bones. - It is used for connecting with dental handpiece. - It can also be used for grinding metal, plastic, porcelain and other hard materials. - Key Specifications: - Stainless steel Metal base. - Fine diamond crystals attached to metal base. **For further product information, please contact Chat Support**