DJS1039 Features: * Arm mount * Material: Powder coated marine grade aluminum * Rectangular 6.25"" x 2"" top base at the end * Pivoting point of the rectangle base allows 180 degree rotation, the swing arm allows a 360 degree rotation * Ball size: 1.5"" Rubber ball * Center of knob to center of ball socket: 6"" * Height from base to top of knob: 4.89"" Includes: * Includes a 6"" straight swing arm mounted on a horizontal surface mounting base Color/Finish: * Color: Black powder coat Assembly Instructions: * Overall length of swing arm assembly: 10.75""