Head Size (1/10 mm) - 012 Head Length (mm) - 8.0 Shank Type - FG Package - 5-pk NTI® Diamonds combine a comprehensive selection, strict adherence to ISO certification standards and superior Unimatrix® Bonding Technology. The Unimatrix® Bonding process minimizes clogging due to a uniform position of diamonds, providing more exposed diamond surfaces on the tips and edges for superior overall cutting ability.