original soundly constructed american antique industrial low-lying riveted joint heave gauge steel factory machine shop stool designed and fabricated by or for the angle steel stool co., plainwell, mich. the four-legged industrial stool has been brushed down to bare metal and sealed with a clear coat lacquer. the inward-turned ball feet are a distinctive feature of angle steel stools. great overall condition. seat measures 14 inches in diameter. measures 16 wide x 23 2/4 inches high.