Swivel Column Clamp Mount, Single Monitor Enhanced column interface enables easy upgrades from single- to dual- or triple-monitor installations without impacting the existing installation, future-proofing your investment Color: Black. Desktop Thickness Range: 0.50 - 2.50" (12.7 - 63.5 mm). Manual Height Adjustment: 7.0" (177.8 mm), Maximum Extension: 19.51" (495.6 mm) Minimum Depth: 6.01" (152.7 mm), Mounting Pattern Compatibility (Universal Versions): 75 x 75mm ,100 x 100mm Number of Monitors: 1. Orientation: Landscape, Portrait. Tilt: +/- 15. Typical Screen Sizes: 10 - 30" (254 - 762 mm) diagonals Weight Capacity: 40 lbs. (18.14 kg)