Mount-It! Monitor Desk Stand LCD Mount, Adjustable, Free Standing Two Computer LED Displays Stand 20, 23, 24, 27 Inch Screen Sizes, Black (Triple) DUAL MONITOR STAND - This desk arm holds 13, 15, 17, 19, 20, 21, 23, 24, 27 Inch monitors from SAMSUNG, ACER, VIEWSONIC, LG, DELL, HP, ASUS, AOC and Emachines. It has a universal fit and will work with any monitor that has VESA hole pattern of 75x75 (3"x3") and 100x100 (4"x4"). FULL MOTION - Tilt: -80 to +80 Degree - Swivel: 360 Degree - Rotate: 360 Degree. Both articulating arms swivel left or right for best horizontal angle adjustment. The arms are height adjustable on the pole. Tilt angle adjustment reduces glare. VERSATILE BASE - Dual monitor stand comes with a wide free-standing base (10"x12.5"). Clamp height is adjustable to fit various desk thickness. Modular design allows grommet installation. For desks with grommet holes, the base can be removed for a bolt-through grommet installation. EASY INSTALLATION - Place the base on your desk. Connect the removable VESA heads to the back of your monitor and slide into the arms. The VESA head height can be adjusted up to 1" to perfectly align the height of monitors. HEAVY-DUTY - High-strength steel offers a carrying capacity of 22 lbs at each arm. Install your monitors with confidence. Cable management clips keep installation clean.