RL Rapid Flux Features : Height Adjustable 120-500mm H Available in Two Sizes and Two Colours Electric Height Adjustable Solution for Your Existing Desk 25kg Weight Capacity Riser Speed 22mm per Second Hidden In Motor Makes for a Clean and Compact Design Silver Powder-Coated Frame on White Riser, and Black Powder-Coated Frame on Black Riser Grommet Hole in Worktop for Use with Monitor Arms Keyboard tray Overall Size – 896mm x 310mm Top Depth – 415mm