Mitutoyo Optical Parallels 25-50mm

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 = 25-50mm
• Thickness = 25mm, 25.12mm, 25.25mm, 25.37mm
• Flatness = 0.1µm
• Parallelism = 0.2µm
• Diameter = 30mm
• Case = supplied in fitted wooden case.

MItutoyo part # = 157-904