Gar Surface Roughness Scale C-9 Cast Mocrofinish Surface Comparator
There are nine replicated cast surface finish specimens ranging from 20 to 900 microinches..
The C-9 cast microfinish comparator is rectangular in shape (4 1/2"x 3 1/4") and is a corrosion resistant electroformed nickel duplicate of actual cast surfaces..
Supplied in a leatherette case with engineering data and instructions..