all original american four-legged pressed and formed heavy gauge steel factory office draftsman or drafting stool designed and fabricated by the angle steel stool company, plainwell, mi. the refinished maple wood revolving seat and solid steel threaded spindle or post are tightly affixed to the base. original wrought steel oversized heel ring or footrest secured to each of the slightly flared legs. the base contains distinctive ball-turned feet, which form an integral part of each leg. a multitude of riveted joint stretchers provide added support. very rigid and structurally sound industrial stool. dates to the 1920's. thoroughly refinished and sealed. seat height adjusts from approximately 24 to 32 inches. seat has a slight wobble.