Mitutoyo Optical Parallels 1-2"

These optical parallels are designed for inspecting the parallelism and flatness of micrometers and measuring faces. Each set contains four parallels with different thicknesses. 

• Range = 1-2"
• Thickness = 1", 1.0062", 1.0125", 1.0187"
• Flatness = 0.000004"
• Parallelism = 0.000008"
• Diameter = 1.18"
• Case = supplied in fitted wooden case.

MItutoyo part # = 157-902
NOTE: This item is not returnable.