Heavy-duty gas spring design ensures effortless raising and lowering of monitors Compatible with monitors up to 49" in size and 44 lbs (20 kg) in weight Grommet/clamp mount bases for installation flexibility Compliant with VESA Mounting Interface Standard (MIS) with quick release bracket design Supports VESA hole positions of 100mm x 100mm and 75mm x 75mm SilverStone's ARM14 is a single extended arm mount constructed with robust aluminum alloy and steel. It's designed with heavy-duty gas springs to allow for effortless raising and lowering of installed monitors. Supporting monitors up to 49" in size and 44 lbs (20 kg in weight). It features 90 degree swivel and +50 / -20 degree tilt capabilities, along with a 360 degree pivot rotation. The ARM14 also follows the VESA mounting interface standard (MIS) and is compliant with VESA standardized screw-hole positions of 100mm x 100mm or 75mm x 75mm. There are two mounting mechanisms for the ARM14: one is the clamp mount approach, and the other is a grommet mount approach. Ease of installation and cable management routing make it the perfect product for people who wish for hassle-free adjustments in height and reach for their premium monitors, providing various viewing angles for the monitor, freeing you from traditional restricted positions and keeping cables out of sight.