Mitutoyo Optical Flats 0.000004"

These optical flats are designed for inspecting the flatness of gage block's or micrometer's measuring faces. Two different diameter and thickness options are available, 1.8" diameter with 0.5" thickness or 2.4" diameter with 0.6" thickness. 

• Flatness = 0.000004"
• Diameter/Thickness = 1.8"/0.5", 2.4"/0.6"
  
• Case = supplied in fitted wooden case.

MItutoyo part # = 158-122,158-124
NOTE: This item is not returnable.