This is a used item. New price: Approximately 6000 yen ● The RAM-D-201U-C is a short double socket arm with sockets on both ends, compatible with 2.25-inch ball bases. ● A single spring inside the arm opens the sockets on both ends, allowing the ball and socket connection to rotate. ● This socket technology allows for nearly infinite adjustment, providing the perfect viewing angle. □ Product Specifications ● Plate Size: 2.5 inches in diameter ● Ball Size: D Size (2.25 inches)