GAGE PIN SET,HOLE SIZING AND LOCATING for FSG 52
A collection of steel pins, about 1-1/2 inches (38.1 millimeters) long, used for sizing drill holes and slots, finding centers, determining locations and similar operations. Each pin is tapered on the lower half for easy insertion into a hole. It consists of different size pins, each size in pairs, usually in ranges of specific series drill sizes, in a case.