Starrett 2-Face Granite Parallel 18″L x 1.5″W x 3″T- Grade AA Laboratory – 81699

• 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)
• Made in the U.S.A.

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