Starrett 2-Face & 4-Face Granite Parallels

• Granite Parallels are useful for setting up work on surface plates or machine tables.
• They can also be used to elevate work above the surface of a plate to enable quick and easy inspection of piece parts with shoulders or steps.
• They come in matched pairs, finished flat and parallel on two opposite narrow faces or all four faces.
• Grade (U.S.): AA Laboratory: .000025″/6″ TIR (0.0006/150mm)
• Grade (U.S.): A Inspection: .000050″/6″ TIR (0.0012/150mm)
• Storage cases sold separately.
• Made in the U.S.A.