Features:
- Our Part # 524390310/52-439-031-0
- 1-2-3 Blocks-tolerances guaranteed to .0001" for squareness per inch
- Blocks are matched in pairs and measure 1" x 2" x 3"
- Very useful in mounting work for precision grinding, layout work, etc
- Blocks hardened to 58-60 Rockwell C
- Ground to surface finish 6-10 microinches
- Matched accuracy within ± 0.0002"
Product Specifications
Dimensional Accuracy (Inch) | 0.0002" |

Warning:
This product can expose you to materials and/or chemicals including arsenic, lead, and other materials and/or chemicals which are known to the state of California to cause cancer and/or reproductive harm.
For more information, visit www.P65Warnings.ca.gov