RAM-B-202U RAM Mounts 1-Inch Ball with 2.5" Round Base w/ AMPS Hole Pattern RAM-Mounts brand RAM-B-202U marine grade aluminum base contains a 1" diameter rubber ball connected to a flat 2.5" diameter base. MUST BE UNOPENED AND UNUSED TO QUALIFY FOR RETURN. BALL SIZE: 1-INCH B SIZE BASE SIZE: 2.5-INCH HARDWARE INCLUDED? NO (you must provide your own mounting screws) This mount has pre-drilled holes, including the universal AMPS hole pattern. Material: Powder Coated Marine Grade Aluminum Ball Size: 1" Rubber Ball "B" Size Hardware included? No Note: The "U" in the part number reflects product packaged in poly bag. MUST BE UNOPENED AND UNUSED TO QUALIFY FOR RETURN.OUR REFUND POLICY: For new items, returns for UNOPENED products within the United States will be accepted within 30 days. Once an item is opened, it is not returnable. USED ITEMS (items sold as "open box" or "used") and INTERNATIONAL ORDERS are not returnable. Original shipping expenses are paid to the shipping carrier and are not refundable. 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 opened, used or a false reason was given for the return. We also reserve the right to charge a 15% restocking fee for any return that is used, damaged, missing packaging, has open packaging, or is missing parts.