1 Each. Bi-Level Stand/Sit Desk offers simple versatility with two levels in one desk so you can sit or stand for a healthier workday. The sitting work space can be mounted on either the right or left side of standing work space. Standing work space adjusts in height between 38" and 50" and includes an adjustable standing footrest. Both levels include a 3/4" thick melamine laminate tabletop in beech, powder-coated steel legs with a cream color and plastic levelers to protect your floor. Each tabletop and top of the frame offer a combined thickness of 1-1/2".