Wakrays Ergonomical Adjustable Swivel Office Computer Chair Padded Tiltable High-Back Leather Chair Coffee One Touch Pneumatic Seat Height Adjustment. Heavy Duty Nylon Base with Dual Wheel Carpet Casters. Strong 5castor-wheel Chrome base lead 360 Degree Swivel. Pneumatic seat-height adjustment for easy positioning. Maximum Holding weight: 150KG