NOTE: AFW does not stock or assemble this item. This will ship to your address via FedEx. Assembly is required. Back Adjustment: No Arm Type: Fixed Mechanism Type: Spring Tilt Infinite Lock: No Knee Tilt: No Tilt Tension: Yes Pneumatic Gas Lift: Yes Upright Lock: Yes Seat Slider: No Chair Base: Chrome 27 Inch Casters: Dual Wheel Nylon 2 Inch Weight Capacity: 275 lb