Head Size (1/10 mm) - 12 Head Length (mm) - 2.1 Shank Type - FG In order to ensure the best quality diamonds, NTI® Diamonds utilize German technology known as Unimatrix® Diamond Bonding. Using this bonding process, diamonds are uniformly placed on the tips and edges, preventing clogging and improving cutting performance. Designed to provide a comprehensive solution, with strict adherence to ISO certification standards as well as a wide selection, NTI® Diamonds from KaVo Kerr are available in packs of 5. Popular shapes may be ordered in packs of 50.