Mitutoyo Optical Parallels 0-1"

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 = 0-1"
• Thickness = 0.5000", 0.5062" 0.5125", 0.5187"
• Flatness = 0.000004"
• Parallelism = 0.000008"
• Diameter = 1.18"
• Case = supplied in fitted wooden case.

MItutoyo part # = 157-901
NOTE: This item is not returnable.