Monitor risers allow the computer user to incrementally adjust the height of the monitor at minimum cost.  Measures 11 3/8” x 11 3/8” x 2” One side has an opening of 9” x 1 3/8” for convenient storage of paper and files Each unit stacks upon itself in 2” increments allowing personal positioning of the monitor for maximum comfort and ergonomics Graphite Supports up to 60 pounds. Monitor Risers can be stacks on one another to increase height.