Height-Adjust Standard Monitor RiserInnovative stacking columns raise your monitor to your most comfortable level, reducing strain and fatigue. Sturdy construction ensures strength and durability. Designed to support most 21" monitors up to 60 lbs. Nonskid rubber foot rings for stability. Made from durable, high-impact plastic. Stand Type: Monitor; Width: 13 1/8"; Depth: 13 1/2".