The Liberty 178A is a sturdy and flexible two-piece arm that is hinged at the wall to allow a wide range of sideways movement. Engineered to provide optimum viewing, there is four-way movement at the screen,enabling full tilt and swivel functions. The Liberty 178A accommodates screens that are VESA compliant and have mounting holes that measure75x75mm and 100x100mm.This model is constructed from powder-coated steel and is supplied with mounting hardware and accessories. It has a weight loading of 45lbs / 20kgs.