BEVCO's Plywood Series offers ergonomic durability, performance, and styling that stands the test of time. The metal base and parts paired with a maple plywood back and seat have been a highly regarded choice for generations. The classic design of this plywood chair showcases the craftsmanship of 3/8" formed 5-ply maple plywood backs and 3/8" 7-ply maple plywood seats. The wood is double-sanded and double-lacquer dipped giving this chair a durable finish. The contoured waterfall seat aids in providing lower body circulation. Equipped with our Swivel II Mechanism: Forged steel and rivet construction for maximum safety. Including nylon swivel bearing and 5" height adjustment for quick and easy height changes. The threaded stem easily adjusts the seat height from 22" - 27". The sturdy design of the 22" diameter square 5-legged black tubular steel base ensures years of enjoyment. Model comes standard with plastic glides. Optional casters can be ordered separately.