Mikronix Associates offers Micrometer Checker for Quick Calibration. Mikronix Associates is the manufacturer of slip gauges. Micrometer Checker for Quick Calibration sets are available in metric & inch sizes. Micrometer Checker for Quick Calibration is designed specially to suit calibration and inspection of micrometers. The sizes in the set are so selected that they ensure checking of micrometers at various radial positions. It is available in addition to the pitch error; errors due to drunken threads also can be located. This set is also recommended by is-2967 of 1964 for inspection of external micrometers. It comprises of the following sizes in grades `0, ` I ` and ` II`.