Uprite Ergo. Easily move from sitting to standing in seconds. It’s slim, elegant and designed in the USA and sets a new standard for usability and function. Convert an existing desk or table into a high-quality and affordable sit to stand workstation and effortlessly go from sitting to standing in seconds. Transform your existing workspace to a Sit-Stand Workstation and immediately benefit from motion and mobility in the work place. Easy to slide on the desktop, allowing easy transition between workstation & conventional desk. Specifications: Vertical Height Adjustment: 18” Monitor mounting: VESA 75mm and 100mm (optional monitor stand). Monitor capacity: Standard – 3.5lbs to 11lbs (1.6kg to 5kg). Dual – 6.5lbs to 21lbs (3kg to 9.5kg) total.