STARRETT Five-Face Granite Master Square / Model: G-81925

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.

Specifications

• Made in America: Yes
• Size LxWxT (in): 16 X 16 X 4
• Grade (U.S.): AA Laboratory
• Size LxWxT (mm): 400 X 400 X 100