Description
4″ Diameter X 12″ High Cylindrical Square ~ Used for checking squares, height gages and many other instruments. ~ Easy to access from any angle around it. ~ Hardened and both ends are lapped. ~ Absolute 90° angle. ~ Squareness is +/-0.00015″. Used for checking squares, height gages and many other instruments. Easy to access from any angle around it. Hardened and both ends are lapped. Absolute 90° angle. Squareness is +/-0.00015″.
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