A stacking chair with a modern design Must be OFM's MultiUse Stack Chair with Plastic Seat & Back, Model 310P.Molded plastic adds comfort and withstands heavy use.The chromeplated, 16gauge tubular steel frame features an extrastable sled base.Your maintenance crew will find setup a breeze with the builtin ganging brackets.Stacks 12 high alone, or 20 high on the optional dolly.Need tablets Just specify right or lefthanded.Weight capacity up to 250 lbs.