FLEXIMOUNTS Full Motion Quad Arm Desk Mount Stand Fits 10"-27" Asus Acer AOC LCD Computer Monitor (D1Q) Innovative desktop PC monitor desk riser that mounts Samsung, Acer, Viewsonic, LG, Dell, HP, Asus, AOC flat panel LCD and LED displays from 10"" to 30"" (10, 15, 19, 20, 23, 24, 27 and 30 inch monitors). Compatible with VESA 75 x75 mm and VESA 100 x 100mm. Four arms are height adjustable on the vertical pole. Each monitor can tilt up 85 degrees or down 15 degrees, swivel 360 degrees and rotate 360 degrees. Rotating the monitor holders allows landscape or portrait positioning. Improve the ergonomics of your office workstation by raising to monitors to an ergonomic height on your desktop, depending on your sitting position. Avoid neck, shoulder and back pain by improving your posture. Heavy-duty design supports up to 22 lbs per monitor. C clamp base has integrated double lock that ensures stable mounting onto the desks. This multi-monitor stand can be mounted on tables up to 4 inches thick. Arms come with clips for cable management. Articulating and Height Adjustable. Depending on the user and desk height, this mounting bracket can be used for standing desk applications. The height adjustable pole is 27.9 inches tall to accommodate a huge span of potential heights