Check the listing for details. RAM Mount Open Socket Arm System with Round Base and Short Arm. Condition: New. Listed at 22.99 USD. What's Included In The Box? The RAM Mount Open Socket Arm System with Round Base and Short Arm ships with the following items included:RAM Mount Short Arm B-Socket RAM-B-201U-A RAM Mount Round Plate with 1 inch Ball RAM-B-202U Manufacturer Description The RAM-B-103U-A consists of a 2.5" round base and short double socket arm that will accept 1" ball bases. The round base contains pre-drilled holes, including the universal AMPS hole pattern. Designed into the mount is a 1" diameter patented rubber ball and socket system with adjustment points at both ends of the socket arm; this with a twist of the arm knob allows for you to maneuver the mount to your optimum viewing position.SpecificationsThere are no specifications currently available for this item.