Precise Grade A & B Black Granite Surface Plates
- Surface plates are checked by an auto-collimator for overall accuracy assurance.
- This granite surface plates meet or exceed Federal Specifications GGG-P-463C.
- Ledge: 0
- Includes a certificate of inspection.
- Note that these are not NIST traceable.
For more info, visit www.p65warnings.ca.gov.
