Mount-It! Single LCD Monitor Desk Mount Stand Height Adjustable Tilt Swivel VESA 50, 75, 100 Fits 22, 23, 24, 27, 30 Inch SINGLE MONITOR ARM  Single monitor mount fits most screens 13" to 30" (13, 15, 17, 19, 20, 22, 23, 24, 27 and 30 inch monitors). Compatible with VESA 75 (75 x75 mm) and VESA 100 (100 x 100mm). CLAMP CONNECTION  . C clamp base has integrated double lock that ensures stable mounting onto the desks. Very easy to install. ERGONOMIC MONITOR RISER  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. FULL-MOTION STAND - Monitor holder is height adjustable on the vertical pole, minimum height of 12 inches to max extended 17 inches. Monitor head can tilt up or down 15 degrees, and swivel 360 degrees..HEAVY-DUTY VESA DESK MOUNT  Made from solid steel. Heavy-duty design supports up to 33 lbs. C-clamp base: 1 inches  2 inches desk thickness