Union Thickness Gage Gauge Feeler
This is a quality made inch thickness gauge marked "UNION TOOL CO. ORANGE MASS.". It is 4.5" long overall closed, in good+ condition with no rust, good tight joint, has a threaded screw that can be tightened or removed to remove the precision ground thickness gages for individual use. The gages range from .001-.015 inch. A nice clean handy machinist or mechanics tool!