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3 Sets (6 blocks) of MATCHED PAIR, Professional Quality Tool!
Hardened and precision ground 1" x 2" x 3" Block Set. This matched pair of blocks is ground to tolerances of .0003". 23 holes (5 tapped 3/8"-16 TPI and 18 plain).
Features:
- Precision ground and case hardened on all six sides
- Squareness on all sides within 0.0001"
- Surface finish from 6 to 16 microinches
- 23 through holes (5 tapped 3/8"-16 TPI and 18 plain)
Firo Jr.
Reviewed in the United States on March 14, 2020
Great product, for a great price, easy and very convenient for CNC machinist work...
Bill
Reviewed in the United States on June 27, 2018
The chamfer on the edges was much greater than I wanted. I wanted sharp edges to verify hook accuracy on tape measures. Good price.
a_person
Reviewed in the United States on July 31, 2016
I'm not a machinist, but I love these for use in the home wood shop, mostly for clamping things together squarely.
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