Adjustable feet allow optimal height positioning—viewing angle can be customized up to 2 1/2” for a total height between 4” and 6 1/2". Heavy-duty construction supports 21” monitors up to 80 lbs. Non-skid rubber feet protects worksurface from scratches or scuffs. Cup holder and media storage plus storage drawer keeps supplies and accessories always within reach. Stows laptop underneath when not in use for space-saving storage.