Ruggedly-constructed traditional chair that offers both comfort and durability.  Features include a trouble-free spiral center post height control, a height and depth-adjustable hinged backrest with polypropylene back shell, dual wheel casters and a 23" tubular chrome steel base with built-in foot ring.  Seat cushion is made of long-lasting, comfortable molded foam and is 18"w x 18"d x 4" thick.  Backrest is 15"w x 10"h.  Height adjusts from 24" to 32". Comes complete with a set of locking casters and a set of non slip floor glides.