SPI Micrometer Calibration Set, Inch, Grade AS-1
10 Blocks, 2 Flats, 0.105 – 1″

Measuring Ranges:

• 0.105, 0.210, 0.315, 0.420, 0.500, 0.605, 0.710, 0.815, 0.920 & 1″

Features:

• Flatness: 0.000004″
• Parallel: 0.00002″
• Optical flats for checking micrometer flatness are 0.500″ and 0.5125″
• Certificate of Calibration traceable to NIST
• Furnished in wooden case

See all SPI Micrometer Calibration Sets