The Scherr-Tumico 0"- 1" Blade Micrometer is a precision tool used for measuring extremely small measurements with a resolution of .001". Made in the United States in 1984, this tubular teletype micrometer is calibrated for accuracy. The blade micrometer type allows for precise readings, making it ideal for metalworking inspection and measurement tasks. Its model number, ET-612-24, ensures easy identification and compatibility with other Scherr-Tumico micrometers.