Made of 7/8" O.D., 18-gauge steel tubing. 14" diameter seat with 11 1/2" diameter, 1/2" thick vinyl pad riveted thru the steel seat pan. Features a 5/8" O.D. foot ring welded to each leg at 4 contact points. Available in 18", 24", or 30" fixed heights with or without adjustable backrest, and adjustable height stools with backs. Metallic gray powder coated frame with gray vinyl padding or Black powder-coated frame with Black vinyl padding for 18" and 24" stools. 30" and taller stools are Gray only.