Head Size (1/10 mm) - 018 Head Length (mm) - 4.5 Shank Type - FG Package - 5/pk 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.