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Mitutoyo  157-903 Optical Parallels Set, Metric 0-25mm

Mitutoyo 157-903 Optical Parallels Set, Metric 0-25mm

Part Number : 157-903

These Optical Parallels allow you to inspect micrometers and other measuring tools.
They offer the following benefits:

  • Using optical interference, they can inspect the measuring faces of micrometers for parallelism and flatness.
  • Each set consists of 4 sizes designed for testing at each quarter revolution.
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