Kantek Sit-to-Stand Desk Riser, 5-3/10inH x 35inW x 24inD, White

Sit-to-stand desk riser lets you enjoy the healthful benefits and productivity of standing while you work. Pneumatic height-adjustment lets you quickly switch from a seated to standing position. Adjustable design offers incremental height positions up to 20in off your desktop to accommodate your personal preference. Grommet hole allows you to conveniently attach a monitor mount for additional height. (Monitor sold separately.)