Fellowes Office Suites Premium Monitor Riser features adjustable feet which allow optimal height positioning—viewing angle can be customized within a 2.5" range. Heavy-duty construction supports 21" monitors up to 80 lbs. Non-skid rubber feet protect 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.