Mitutoyo 617845-016 Gauge Block, Metric, with JCSS Cert. ISO, Grade K, Zero Cera Ceramic, 1000mm

These are ultra-low expansion ceramic gauge blocks. The ZERO CERA Blocks offer you the following benefits: Thermal expansion at 20 ±1°C is less than 1/500 that of steel. There is almost no secular change either in the dimension or coefficient of thermal expansion. You will find them light and easy to handle. They are rust free. They are antimagnetic.

Accuracy: DIN EN ISO 3650, class K