Precise Ultra Precision 1 x 2 x 12" Inspection Parallel - 3900-3049

• Parallels are furnished by pair.
• Made of high grade tool steel.
• Stabilized and thoroughly hardened to HRC 58.
• Surface finish to 16 microninches.
• High precision that provides you with 4 faces that are accurate within .00015" per 6 inches.

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