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12" x 12" x 3" Five-Face Granite Master Square - Grade A Inspection 81920

Five-Face Granite Master Squares provide an excellent, economical way to check X, Y and Z axis alignment on CNCs and CMMs. They can also be used in the same way as a steel square for direct checking of squareness and straightness.

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  • Size LxWxT (in): 12 X 12 X 3
  • Grade (U.S.): A Inspection
  • Size LxWxT (mm): 300 X 300 X 75

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