These stools are very well made with a thick solid wood seat and a 1 inch thick cast iron arm. At the turn of the century these benches were found attached to machine and wood working tables. They were very practical for a busy factory setting. When not in use they can swing out of the way, no chair legs to trip over and easy to sweep under. The seat has a 12 inch diameter and can be raised and lowered over 8 inch. This stools extra length is a real plus it measures 22 inch from the wall to the stool centre. The stools are priced per... So you can buy one or as many as you need.