Surface plates are checked by an auto-collimator for overall accuracy assurance.
Accuracy is ±0001".
Granite surface plates meet or exceed Federal Specifications GGG-P-463C.
Includes a certificate of inspection.
Note that these are not NIST traceable.
Shipping Weight: 43 lbs
Many metalworking products contain metals that are included in
the latest Prop 65 warning. Exposure to the elements can be
harmful. May cause cancer and reproductive harm.