The Alvin Comfort Classic Drafting Chair is ergonomically designed for long-lasting service and extra comfort. Chair features pneumatic height control, polypropylene seat and back shells, a height- and depth-adjustable hinged backrest with spring-adjusted rocking mechanism, dual-wheel casters and a 24" diameter reinforced nylon base.
Seat cushion measures 18" x 17" and is 2" thick. Backrest measures 16" x 14". Includes CK49 height extension kit for height adjustment from 26½" to 30½". Optional armrests available by special order.