Strong holding with Dual wall plate attachment to the wall
Extra long metal pole to allow for more adjustment of screen and also numbers of arms installed
With seperate gas mount and seperate kepboard shelf, when typing on keyboard, it will has minimal vibration to the screen 
Extra gas arm can be purchased to set up for dua-screen/quad-screen.

Screen size 17-32 inch 
Screen capacity 2-9kg for Flat screens
Keyboard shelf 650x250mm
Vesa 75x75-100x100mm
Gas arm uplift rang 310mm
600m maximun arm extension 
rotationg 360°
Swivel 90°
Tilt angle +85° to -30° 
Pole column length 900mm