ULTRA WIDE LONG ARM- with ultra wider and longer arm fits most monitors from 22''-35'' monitors with load capacity within 6.6~ 26.4 lbs (3-12KG), Perfect solution for deeper desktops VESA-COMPLIANT PATTERNS 75x75mm and 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 118*118mm, Extra Longer Screw & Screw spacer may be needed in order to make it fit well. EASY INSTALLATION Supports clamp or Grommet hole installation, C clamp works great on desk thicknesses within 3.54 (90mm), while Grommet mounting fits hole diameter from 0.39 to 1.97(10-50mm), Integrated cable management conceals inside provide clean, neat and clutter-free appearance, maximum ergonomic comfort to relieve eye, neck, and back strain. WIDE RANGE ADJUSTMENTS Built-in with ultra-precision gas-strut, Support: +85° to -30° screen tilt adjustment, 360° rotation for landscape or portrait mode; Upright lift 13.5 (345mm) and +90° to -90