| Brand | Unbranded |
|---|---|
| Squareness | 0.0001"/1" |
| Height accuracy in pair | ±0.0001" |
| Shape | Rectangular |
| Instrument Type | Parallel Blocks |
| Size | 1" x 2" x 3" inch |
| Holes | 23 Holes |
| Parallelism | ±0.0001" |
| Nominal Tapping | 0.0001" to 0.0003" |
| Material | Stainless Steel Hardened |
| Hardness | HRC 56-60 |
Check the listing for details. Precision 123 Parallel Blocks Set with Case & Screws 0.0001 Industrial Tools Kit. Condition: New. Listed at 34.99 USD. Accuracy: Squareness: 0.0001"; Parallelism: +/- 0.0001"; Height accuracy in pair: +/-.0001". Quality: Made of high quality steel, high hardness, not easy to deform, not easy to wear, durable. Ultra Precision 1-2-3 Blocks Set with Screw Matched Pair 23 Holes. 0001" Squareness Hardened Steel 1"x2"x3" Blocks Set Setup Blocks Industrial Tools w/Plastic Case.