Kantek Outlet Desk-Mounted Sit-To-Stand Workstation, 21 1/2"H x 23 1/2"W x 23 1/2"D, Black

• 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.