Features:
- 11 Pc. 9 rectangular gage blocks and two optical flats.
- Includes NIST Certificate.
- Assists in meeting both Federal specification GGG-C- 105c and ISO 9000 requirements.
- Contains one block of each of the following sizes: .0625, .100, .125, .200, .250, .300, .500, 1.000 & 2.000"
- TWO OPTICAL FLATS that vary in size by .0125" which allows checking anvil faces at half revolutions of spindle for measuring flatness.
- Supplied with fitted wooden case.