The Vintage Armco Steel Corp Thickness Feeler Gauges are high-quality inspection gages designed for measuring the thickness of various metal materials. Made by the respected brand Armco in the United States, these gages range in size from 1/4 inch diameter with 1/128 inch measurement to 1 1/2 inch diameter with 1/32 inch measurement, providing precise and accurate readings for metalworking inspections. Ideal for professionals in the CNC, metalworking, and manufacturing industries, these Thickness Feeler Gauges are a valuable tool for ensuring quality control and consistency in metal products.