Certified Space-Blox 53-680-050-0

• 36 blocks
• Manufactured to meet Federal Specification ASME B89. 1.9 – 2002 tolerances on length for inch gage blocks. Certificate of Calibration traceable to N.I.S.T.

• Tolerances to .00005″

• Ground, hardened and tapped

• 4 connection screws included

• Includes shop hardened fitted case

More From Products fowler