Mount-It! Single Monitor Mount Arm Desktop Computer Screen Stand Fits Monitors 19, 21, 23, 24, 27 Inches, Compatible With VESA Patterns 50, 75 and 100, 33 Lbs Capacity SINGLE MONITOR DESK MOUNT ARM - Universal monitor stand elevates your computer monitor to an ergonomic height and allows full motion capabilities. FULL MOTION - Height Adjustable: 10 to 15 inches from desktop. Tilt: +/- 15 degrees, Swiveling Arm: 360 degrees, Rotate (landscape/portrait): 360 degrees. COMPATIBILITY - Single monitor mounting arm fits flat panel monitors from Samsung, Sony, LG, Acer, Dell, HP, Asus, Sceptre from 17, 19, 20, 22, 23, 24, 25, 27, and 30 inch. Heavy-duty design supports up to 33 lbs VESA MOUNT ARM - Meets VESA mounting pattern: 50 x 50, 75 x 75 or 100 x 100. Please measure your VESA (screw hole pattern behind the monitor) in millimeters before purchasing MONITOR STAND WITH CLAMP - Heavy duty "C" clamp double lock ensures stable mounting onto the desk. No drilling required.