Description
- Allows highly accurate set-ups.
- Grade B (+/-.000050") gage block set in case.
- Hardened, seasoned steel.
- Model GB-81 contains: .1001"- .1009" by .0001" - 9 blocks, .101"- .149" by .001" - 49 blocks
- Also contains: .05"- .95" by .05" - 19 blocks, and 1"- 4" by 1" - 4 blocks
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Certified accurate to federal specification GGG-G-15C (Note: cert is not traceable to NBS).
