Lightweight, mobile frame is easy to move. Waterfall seat edge increases ergonomic comfort. Simple one-touch height adjustment. Full 360-degree range of motion. Extra wide handle provides a confident grip. Recommended Applications: Specialty-Active Seating; General Office & Task; Conference, Training & Meeting; Arms Included: No; Pneumatic Seat Height Adjustment: Yes; Overall Width Maximum: 15 1/2″. UPC: 042167960391 UPC: 042167960391. No returns.