STARRETT Granite Tri-Square / Model: G-81969

Three-Face Granite Tri-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): 6 X 9 X 3
• Grade (U.S.): AA Laboratory
• Size LxWxT (mm): 150 X 225 X 75