Brateck Gas Spring Sit-Stand Desk Converter with Keyboard Tray Deck(Standard MDF Board Surface) DWS28-02N of large gas spring scissor-lift desktop sit-stand workstation incorporates the effortless gas spring structure with the MDF PVC worksurface to create an ergonomic worksurface to boost your working productivity. FEATURES Gas Spring: creates smooth and quick transitions Squeeze Handle: effortlessly adjust height Upgraded Keyboard Tray: provides comfort for your wrists Quality MDF Board: features high impact resistance (TSCA Title VI compliant) SPECIFICATION Product Category: Tabletop Workstation Rank: Standard Material: Plastic,MDF PVC,Steel Color: Black Dimensions: 950x615x110~505mm (37.4\'x24.2\'x4.3\'~19.9\') Worksurface Size(LxW): 950x400mm (37.4\'x15.7\') Worksurface Thickness: 15mm (0.59\') Worksurface Weight Capacity: 15kg (33lbs) Keyboard Weight Capacity: 2kg (4.4lbs) Height Range: 110~505mm (4.3\'~19.9\') Height Adjustment: Manual Installation: Freestanding