Precise 1-2-3 Block Set Inspection Type – No Holes – NBS-123

Precise 1-2-3 Block Set Inspection Type “No Holes” –NBS-123

• Made of first grade tool steel, stabilized and hardened 52 to 58 RC.
• Flatness and parallelism.0001″.
• To size, -.000 +.0002″.
• Blocks measure 1″x 2″x 3″.

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