VESA MOUNT ADAPTER – If you want to enjoy the benefits of using a monitor wall or desk mount, but your monitor does not have VESA holes in the back, you need this adaptor kit. The adjustable adapter arms hold your monitor in place and connect to a VESA bracket in the back. UNIVERSAL FIT – Designed for Dell, Samsung, HP, Acer, Asus, AOC, Viewsonic monitors that do not have a standard bolt hole pattern. Adjustable security arms can be placed in many positions to accommodate varying sizes and shapes of monitors in 13, 17, 19, 20 ,21, 23, 24, 27, 30 inch screen size. COMPATIBILITY - Fits screen thickness of 1 inch to 2.75 inches. Fits bezel height from 11.5" to 19.2". Arms can be rotated up and down to adapt to different monitor sizes. HEAVY-DUTY - Powder coated steel design is heavy duty and can safely carry up to 17.6 lbs. monitors. EASY INSTALLATION - Designed fit any VESA monitor mount with 75x75 and 100x100mm mounting holes, and includes all required screws and other hardware for assembly. Includes all required screws and other hardware for easy assembly