Freestanding monitor desk mount, No need to clamp the desk or mount it to the wall. Just place the monitor desk stand on the desk, and attach the monitors, you are ready to use. The base is designed with a groove for placing your cellphone to free your hands. fits one 13’’-27’’monitor supporting up to 17.6 lbs. The base of the monitor desktop mount is equipped with rubber pads, which can protect your desktop from scratches and prevent your desk stand from sliding.