Fits 17" to 32" Screens: Quad monitor mount holds most computers 17" to 32" in size and up to 17.6 lbs in weight (each) with VESA 75x75mm or 100x100mm mounting holes Articulation and Height Adjustment: Dual side pneumatic arms and fixed centre brackets offer +90° to -90° tilt, 180° swivel, and 360° rotation for comfortable viewing angles. Dual pneumatic springs allow smooth transitions by counterbalancing the monitors Sturdy Steel and Aluminium Support: Securely holds four monitor screens weighing up to 17.6 lbs each. Tension can be increased for heavier monitors or decreased for lighter monitors to achieve more flexibility Easy Setup: Step-by-step instructions and hardware are provided to make assembly and installation a smooth and painless process. Win back valuable desk space by mounting 4 individual monitors on one stand Drill-Free Mounting: This product secures to your surface of choice up to 3.25" thick via a heavy-duty C-clamp for a solid hold