- Multi-layer diamond application assures maximum, uniform crystal coverage for rapid, smooth and comfortable cutting. - Natural diamonds are used for superior cutting efficiency and long instrument life. Technical Information: - Grit size ML. - Head diameter in 1/10mm 021. - Kit contents ( 5 Pieces ) Same Size. - Head length in mm 6.8. - Head shape Depth marker. - Indication Crown preparation. - ISO No. 806 314 552 524 021 6.8. - Primary Packaging Jewel case. - Shank type FG. **For further product information , please contact Chat support**