The Dusk 2 Lever Operator Chair provides a high back every day operator office chair with a 2 lever permanent contact backrest (PCB) mechanism, which means that you can adjust your seat height, back angle & back height. The chair, which is made from plastic, metal & fabric, comes complete with a black nylon 5 star base with castors. Constructed from plastic, metal & fabric Adjustable seat height, back angle & back height Please note, unfortunately we cannot deliver this item to the Channel Islands.