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