Versatile Mobile Workstation - Give yourself a space-saving workstation on wheels (all 4 are lockable) with this multi-use desk. Place your laptop on the sturdy surface, and enjoy a sit to stand workspace at home or the office, and a mobile podium for the classroom, trade shows, and more! Pneumatic Spring Lift - The powerful pneumatic spring creates smooth height adjustment and customized settings from 28.5 to 44.4. Change the height in seconds, and enjoy standing throughout the day.