Arozzi Torretta XL Series Gaming Racing Style Swivel Chair, Red Adjustable height gas-spring; Tillable seat with lock function Lightweight construction for easy movement; Five twin wheel nylon casters Chair Height: 48"-50.3";Adjustable Seat Height: 12.9"-15.7";Adjustable Seat Width: 18.8";Seat Depth: 18".Backrest Width: 17.7";Chair Weight: 46.3 Lbs.