group of four matching vintage american industrial stationary factory stools likely fabricated by the lyon metallic mfg. co., aurora, il. the lot of stools are comprised of pressed and folded steel with original gunship gray enameled finish largely intact. the tubular steel legs retain the original hardened rubber "shoes." the large circular heel ring or footrest provides added support and stability. salvaged from a chicago gauge works factory. each stool measures 24 inches in height. priced for the lot of four.