Split Top Electric Stand Up Desk (Black Shelves) (48", Black Frame/Black Top) Easily move from heights of 28" - 53" with the push of a button, plus an extra 5" - 7" of height for your monitor and accessories with the adjustable shelf 2 casters, two with locking brakes, make moving your desk simple and painless The two tier design allows you to store all necessary tools and devices while conserving space and keeping your monitor at eye level A steel frame with a powder coat finish gives a durable, clean aesthetic Overall dimensions: 47.25" W x 29.5" D x 28" to 53" H (w/casters, height range of 26" - 50.5" with furniture feet). Desktop dimensions: 59" W x 29.5" D. Shelf: 59" W x 11.25" D x 5" to 7" H (adjustable in 1" increments)