This electronics mount is made from powder-coated, marine-grade aluminum. It has a double socket arm mount that sits on a 2.5-inch diameter round base with a 1-inch rubber ball and flat rectangular plate. The rectangular plate has pre-drilled holes that can match up to virtually any electronic device. The mount rubber ball socket technology dampens shocks and vibration. It allows for a variety of adjustments to guarantee you always have the perfect view.