Mount-It! Single LCD Monitor Desk Mount Stand, Full Motion, Screens 17", 20", 22", 23", 25", 27", 30", VESA 75x75 and 100x100, C-Clamp, Black, MI-750 SINGLE MONITOR DESK MOUNT ARM - Universal monitor stand elevates your computer monitor to an ergonomic height and allows full motion capabilities. FULL MOTION - Tilt: +/- 15 degrees, Swiveling Arm: 360 degrees, Rotate (landscape/portrait): 360 degrees. Cable management included. COMPATIBILITY - Single monitor mounting arm fits flat panel monitors from Samsung, Sony, LG, Acer, Dell, HP, Asus, Insignia, from 17, 19, 20, 22, 23, 24, 25, 27, and 30 inch. Heavy-duty design supports up to 22 lb VESA MOUNT ARM - Meets VESA mounting pattern: 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.