2 metal drill gauges: one by GTD Greenfield, Mass., U.S.A., the other Standard Tool Co., Cleveland, Ohio, Set No. 8. Both are marked with drill sizes and manufacturer details.

2 metal drill gauges: one by GTD Greenfield, Mass., U.S.A., the other Standard Tool Co., Cleveland, Ohio, Set No. 8. Both are marked with drill sizes and manufacturer details.