Basyx VL500 Series Managerial Mid Back Swivel/Tilt Chair VL500 Series Managerial Mid Back Swivel/Tilt Leather Chair Pneumatic seat height adjustment, 360° swivel. Synchronized knee tilt, tilt tension and tilt lock for comfort. Leather upholstery with polished aluminum frame and urethane arm caps. Five-star base with carpet casters. Seat: 19w x 18-5/8d. Back: 19-1/2w x 22-1/2h. Overall height 39-1/8" to 41-3/4". Meets or exceeds ANSI/BIFMA standards. basyx™ five-year limited warranty. Shpg. wt. 54 lbs. Assembly required. Casters supplied with this chair are not suitable for all floor types. Alternative casters are available to meet your specific needs. Black