Kantek Desk-Mounted Sit-To-Stand Workstation, 21 1/2inH x 23 1/2inW x 23 1/2inD, Black

Transforms your desk into an ergonomic sit-to-stand workstation Soft wrist support places hands in comfortable, ergonomic position. Pneumatic height adjustment lets you quickly switch from a seated to standing position. Adjustable clamp system securely fits virtually any size desk. Versatile design can be used with a single monitor or dual monitor mount (sold separately). Wide keyboard tray features a soft wrist support to place your hands in a more comfortable, ergonomic position. Large platform accommodates monitors up to 20 lb.