Features: • Precision Mounting – Each rockwell diamond is mounted in exact conformity to its grain structure preventing premature breakage caused by unbalanced diamond pressure. • Exact and Precise Readings – To eliminate shift under test loads WESTports ISO 17025 laboratory precisely positions and sinters the rockwell diamond into place • Longer Life – Our exclusive gem polish insures eliminates sidewall friction and error due to metal gathering up around the indentation insuring reliability and longer life to the rockwell diamond indenter • Highest Quality Diamonds- WESTport rockwell diamond indenters are manufactured from select industrial diamonds that are precision ground, lapped and polished • Price Guarantee – Guarantee to provide the lowest prices and will beat any competitors written price quote • ISO 6508 - Accredited to International Standards • ASTM E18 - Compliant to the PREVIOUS ASTM E18 Revision. Does not come with New Revision Certification.