The RAM-201U, Medium length double socket arm, has a socket at both ends that accommodates C Size 1.5" balls. A single spring inside the arm, keeps the socket open, allowing you to insert the ball in to the socket connection. RAM's socket technology allows for almost infinite adjustment to achieve the perfect viewing angle.
Material: Powder Coated Marine Grade Aluminum
Ball Size: 1.5" Rubber Ball Size
Note: The "U" in the part number reflects product packaged in poly bag.