Manufacturer Part Number: 639-3622|Level Type|Master PrecisionLength (Inch)|12Graduation Sensitivity Per 10 Inches|0.0005 inBase Flatness (Inch)|Base Flatness (Decimal Inch)|Base Flatness|Overall Height|Overall Length|Overall Width|Material|Cast IronMount Type|Number Of Horizontal Vials|Housing Color|Features|Width (Inch)|1-7/8Height (Decimal Inch)|Height (mm)|Height (Inch)|Catalog Industry Number|SPI Part Number|Graduation Sensitivity Per 10 Inches (sec.)|0.000500Width (Decimal Inch - 4 Decimals)|Length (mm)|Number Of Vials|2Width (mm - 2 Decimals)|Length (Decimal Inch - 4 Decimals)|UNSPSC Code|