Enhance the functionality of your desk riser with this Rocelco DADR-40-FSM mobile height adjustable sit to standing desk bundle. Containing a standing desk converter (DADRB-40) and deluxe mobile floor stand (DADRB-FSM), this bundle transforms your desk riser into a sit to stand desk. Rigid metal frame gives excellent stability and gas piston assist allows for easy height adjustments. | Rocelco 40"W Ergonomic Portable & Adjustable Stand Desk with Keyboard Tray - Black