6200 Series 18" Heavy Duty Stool with Backrest, Supports Up to 500 lb, 33" Seat Height, Brown Seat, Black Back/Base Sturdy 0.88" O.D. 18-gauge steel tubing. Seat is a full 14" diameter with 11.5" diameter Masonite board that is recessed into the pan with eight rivets and will not chip or crack. Foot rings with 0.63" O.D. are welded to each leg by four contact points for added rigidity. Backrest is 6" h x 12" w and adjusts up/down and forward/back. Tested by Bureau Veritas to support 500 lbs static load capacity.
