Gauge Block, Metric, Inspection Cert.Grade 1 with Inspection Certificate<p>This Grade 1 Gauge Block with Inspection Certificate offers you the following benefits:</p><ul><li>Due to the ceramic material, these gauge blocks are highly wear-resistant and corrosion-resistant.</li><li>CERA blocks feature ten times the abrasion resistance of steel gauge blocks and three times that of hard metal blocks.</li><li>Steel and ceramic have similar expansion coefficients which reduce measurement errors that occur due to temperature change.</li><li>Non-magnetic: Powders (such as iron grit) will not adhere to surfaces</li><li>Clearly visible marking: Black characters on a snow-white surface</li><li>More or less free from dimensional change over time</li><li>Can adhere to steel gauge blocks</li><li>Free from burrs caused by scratches</li></ul>