Accud Ceramic Gauge Block Set Iso3650 Grade 1 112-Piece

A ceramic gauge block set is a high-precision tool set used for calibrating and verifying the accuracy of measuring instruments, such as micrometers, calipers, and other precision tools. Gauge blocks are rectangular blocks with extremely accurate and smooth surfaces, which can be combined to form precise lengths. This gauge block set is made from ceramic, being particularly valued for their durability and resistance to wear.