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Black Granite Surface Plates meet or exceed Federal Specification GGG-P-463c. |
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Harder then steel. |
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Does not nick or burr. |
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Retains accuracy for years. |
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Auto-coliimator checked for overall accuracy. |
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Guaranteed repeat reading. Includes an inspection certificate to show the unilateral accuracy of plate. |
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Does not rust or corrode. |
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All surface plates include inbound freight from factory. |
Accuracy and O-Ledge Style available only in toolroom Grade A |