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two Microfinish Comparators. Both are about 5.5 inches long. One is a single and one is a double comparator. rare vintage surface roughness scale. I guess it is all guess work. These two are in excellent condition as are the cases for each. Both come with instructions. Made by Gar Electroforming out of Danbury Conn. A division of Heli-coil. The bigger one is model S-22 and the small one is E-9. Be sure to check other tools and please read return policy. |
