Connect large heavy accessories with RAM D-size ball mounts using the RAM-D-201U-C RAM® Mount Double Socket Arm. KEY FEATURES Low-profile design with an overall length of 5.1" and socket-to-socket length of 3.6" Attaches to any D size RAM® ball component, including mounting bases and device holders; double ball and socket technology allows for near-infinite adjustability of your RAM® mounting system Made of powder-coated, marine-grade aluminum for durability and reliability in the most demanding environments Backed by a lifetime warranty The RAM-D-201U-C, short double socket arm, has a socket at both ends that accommodates 2.25" ball bases. A single spring inside the arm opens the end sockets, allowing you to pivot the ball and socket connection. This socket technology allows for almost infinite adjustment and perfect viewing angles.