Check the listing for details. RAM-B-201U RAM Mounts 3.69" Aluminum Double-Socket Arm for 1" ball. Condition: New. Listed at 17.49 USD. The RAM-Mounts brand model RAM-B-201U 3.69" aluminum double-socket arm for 1" ball mounts. The standard 3.0" double socket arm has a socket at either end to allow a 1" diameter ball accessories to be connected. The arm length is 3.0" when measured from socket center to socket center. The total length of the arm is 3.69". Powder-coated Marine grade aluminum. This product is packaged in a poly bag.We're a RAM-Mounts authorized dealer - Synergy Mounting Systems in Telford, PA USA. MUST BE UNOPENED AND UNUSED TO QUALIFY FOR RETURN OUR REFUND POLICY: Returns for UNOPENED products within the United States will be accepted within 30 days. International returns are not accepted. Original shipping expenses are not refundable and will be deducted from the refund total. We respectfully ask that when returning an item, please use the correct and truthful reason for the return. We reserve the right to refuse any return when the item has been used or a false reason was given for the return. We also reserve the right to charge a 15% restocking fee for all returns.