UNIVERSAL: Fits Most 17'' - 30'' Monitor with the load from 4.4 lbs up to 19.8 lbs, VESA compliant 75x75mm 100x100mm,While if your VESA hole is inside a recession area, Pls noted that the size of the whole VESA Plate of this product is 120*120mm, Extra Longer Screw & Screw spacer may be needed in order to make it fit well. FULLY ADJUSTABLE: The durable gas spring system ensure easy positioning of your monitor in any desirable position; Personalize your workstation any way you want; Support C-clamp or Grommet installation; comes with all needed hardware, Heavy duty construction and super quality materials keep your arm mount stable- This is the sturdiest desk mount on the market. FULL MOTION MOUNT: A Wide range of movements, The monitor can be rotated and tilted effortlessly in any direction, Tilt Angel from-30 deg to +85 degree with a combined 360 degree landscape rotation, Upright range is 10”(260mm) with swivel angel ±90 degrees Ergonomics: Improve your overall well being by creating most comfortable viewing angle for work or gaming- Enjoy the freedom to adjust your monitor height and angle: Your spine, neck and shoulder will be thankful Kindly noted: (1) USB CABLES are NOT PROVIDED, The USB hole on the basis is ONLY for DIY purposes. (2) Pls DON'T adjust the tension screw without the monitor mounted on it