Starrett Six-Face Granite Cube 3”L x 3”W x 3”T - Grade AA Laboratory - 81980
Granite Six-Face Cubes have all six faces finished flat, perpendicular and parallel. They are made from pink granite.
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.
WARNING: This Product Can Expose You To Materials And/Or Chemicals Which Are Known To The State Of California To Cause Cancer And/Or Reproductive Harm.
