24 X 18 X 3" Granite Surface Plate Grade B Ledge 0 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.
Additional $165.00 delivery surcharge applies per item.
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