TygerClaw Sit-Stand Desk is a newer, wider version of the desk riser that lets you hold two or three monitors and-or a laptop. It lets you switch easily between sitting and standing in just a few seconds. Holding up to 33lb., it stays steady at any height. Simple to start enjoying the health benefits of standing while you work. This TygerClaw TYDS14018 Workstation provides you an easy, quick, and affordable way to switch positions from sitting to standing Wider adjustable range between the min and max height could fit more customers’ requirements Supporting groove on the surface for laptops Sit-stand workstation offers smooth and even support for height. (from 4" in. to 19" in.) It holds up to 33 lbs. Advanced design avoids any danger of clamping injury No assembly required Tested and guaranteed: Full 1-year warranty TygerClaw 37-in Sit Stand Workstation