StarTech.com Dual Monitor Arm - One-Touch Height Adjustment - Tool-less Type: Stand Color: Silver / Black Specifications: Mounting Options: Desk / Grommet Clamp VESA Hole Pattern(s) 75x75 mm 100x100 mm Wallmountable: No Display Rotation: 360° Height Adjustment: Yes Maximum Arm Extension: 23.2 in [590 mm] Maximum Display Size: 30in Maximum Height Extension: 28.9 in [735 mm] Minimum Height Extension: 7.9 in [200 mm] Mounting Surface Thickness Desk Clamp: 0.39 - 2.95in (10 - 75mm) Grommet Clamp: 0.39 - 3.74in (10 - 95mm) Swivel / Pivot 360° around the support post 180° at the shoulder 360° at the elbow Weight Capacity: 44.2 lb [20 kg] Weight: 17.20 lbs.