Starrett 4-Face Inserted Granite Angle Plates

• Angle Plates provide a convenient and practical means of clamping and holding work in a vertical position.
• The Four-Face Angle Plate has the bottom surface and back surface finished, in addition to the two sides adjacent to the steps finished perpendicular to the first to faces and parallel to one another.
• The steps are not finished.
• Metal discs are inserted into one side.
• Includes a main gauging face for magnetic chucking purposes and thread inserts for clamping purposes.
• Grade (U.S.): AA Laboratory: .000025/6 TIR (0.0006/150mm)
• Grade (U.S.): A Inspection: .000050″/6″ TIR (0.0012/150mm)
• Made in the U.S.A.