Mikronix Associates supplies Depth Micrometer Checker with 25mm Anvil. Mikronix Associates is the manufacturer of slip gauges. Depth Micrometer Checker with 25mm Anvil is specially designed for the calibration of depth micrometer. Depth Micrometer Checker with 25mm Anvil is supplied to provide a reference point for calibration at desired step within the measuring range of the checker. The instrument is an ideal master gauge for calibration of depth micrometers that must be set zero before accurate measurements are taken. Gauge blocks are built-in the rigid frame to provide measuring in 25mm or 1" steps in accordance with the travel range of micrometer head.