Calibration Blocks

• ASTM E164 IIW (IN) Type Calibration Block 1018 Steel SN 0818-09
• ASTM E164 IIW (MM) Type Calibration Block 1018 Steel SN 0911-09
• NAVISHIPS Test block Steel SN 09-4005
• ASME N-625 Reference Plate 304 Stainless Steel SN 12-2483

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