Hercules Series 24/7 Executive Swivel Office Chair, 44-1/2" to 47-1/2" adjustable height, 300 lb. weight capacity, 24/7 intensive multi-shift use, multi-functional, high back design, waterfall seat, LeatherSoft upholstery, adjustable height lumbar support, triple paddle control mechanism, 2-to-1 locking Synchro tilt adjustment, seat depth adjustment, height adjustable arms with inward/outward pivot pads, CA117 fire retardant foam, heavy duty chrome base, dual wheel casters, black (assembly required) (in stock items usually ship within 24 hours)