Sit or Stand Convert
Use the desk riser. You must press the lever. Sitting and standing will go pretty easy. To lower it please push down with one hand on the lever and the other hand on the other end of the desk and apply a bit of pressure.

Adjustable Height Table
Designed to provide plenty of room for a monitor, laptop, keyboard, mouse, and more without taking up too much space in your home or office
Home office desk-he top surface measures 25″ × 19″, providing plenty of space for single monitor, dual monitor, and laptop + computer monitor setups. It raises up to 16.1 inches and lowers down to 2.2 inches making this ideal for you no matter your height

Fully Desks
Start standing or sitting right away and enjoy the benefits of increased productivity without wasting time on setup

The Ergonomic Desk
An adjustable workstation allows you to find that needed healthy balance between sitting and standing up throughout the day