3 X 2″ Wide Base Square ~ Used for checking squares. ~ Wide base so it stands easily. ~ Hardened and both ends are lapped. ~ Absolute 90° angle. ~ .0002″ squareness. ~ 2″ beam length. Used for checking squares. Wide base so it stands easily. Hardened and both ends are lapped. Absolute 90° angle. .0002″ squareness.
