The top table can be adjusted 0-70 degrees along with the height of 29.52"-37.8". It is adapted to different work environments. There is a 24" slide-up pencil ledge that expands.Upgraded to a hand crank to adjust the height of the table legs, which can be stopped at any height. Anyone can operate and adjust it alone, which is easier and more convenient.Easily adjust the height of the table legs:Upgraded to a hand crank to adjust the height of the table legs, which can be stopped at any height. Anyone can operate and adjust it alone, which is easier and more convenient.