Pair 1" x 2" x 3" Precision Steel 1-2-3 123 Blocks 23 Holes
Special Features
- This matched pair of blocks is ground to tolerances of .0001". 23 holes, 5 tapped 3/8"-16 TPI and 18 plain
- Precision ground and case hardened on all six sides
- Squareness of all sides is within .0002 per inch.
- Used for set-up, layout and inspection jobs
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