While it is not necessarily, but it gives my iMac a trace tidiness. It is very easy to install: latch plastic clips in the metal holder, push through to the steel plate, fix it to the correct height / width, tighten, done. Very practical thanks to stylish storage non-slip silicone sheet and if required screw-silicone-coated sticks that allow even an iPhone can be stored upright. With me is after days of work, the keyboard on it ...
