The RAM single swing arm mount with 1.5" socket consists of a 6" long STRAIGHT swing arm mounted on a vertical surface mounting base. At the free end of the swing arm mount is a 1.5" diameter socket. The connection between the swing arm and the base is a bolt pivot point. The open socket end will accept any mounting plate with a RAM 1.5" dia Ball enabling a versatile RAM ball and socket system. The bolt pivoting point allows a complete 360 degree rotation and the ball and socket system allows a 180 degree vertical pivot with a 360 degree rotation.