Adjusts in 1" increments to place your monitor at a more comfortable viewing level. Storage for paper, files, etc. Stack until monitor is at or near eye level for personal comfort. Economical ergonomics. Sturdy, stackable and provides incremental positioning for monitors and machines. Color: black Dimensions: 11 1/4" x 11 1/4" x 1" Supports up to 60 lbs.