GAGE BLOCK SET. SIZES A/A. A GROUP OF HARDENED METALLIC BLOCKS WITH
PARALLEL SURFACES, SUPERFINISHED FLAT TO PERMIT WRINGING TOGETHER. THEY
ARE MADE IN SIZES WHICH CAN BE ASSEMBLED TO FORM VARIOUS DIMENSIONS.
TOLERANCES ARE HELD SO THAT ACCUMULATED ERROR IS VERY SMALL. USED IN
SETUP AND INSPECTION OF PRECISION WORK.
