RAM-101U-247-4 RAM Mounts 4´´ Max Width Clamp Mount with C Size 1.5´´ Ball Medium Double Socket Arm & 2.5´´ Round Plate AMPs Hole PatternMUST BE UNOPENED AND UNUSED TO QUALIFY FOR RETURNThe RAM-101U-247-4 consists of a double socket arm, round 2.5´´ diameter round base with the universal AMPS hole pattern and 4´´ clamp base. The clamp base will wrap around a maximum width of 4´´ and is tightened by screwing the two plates together with the included nuts and bolts. Rubber ball, socket technology dampens shock and vibration, as well as allows for almost infinite adjustment, perfect viewing angles.Material: Powder Coated Marine Grade AluminumBall Size: 1.5´´ Rubber Ball SizeNote: The “U” in the part number reflects product packaged in poly bag.Weight: 2.15 lbs. THIS ITEM DOES NOT SHIP INTERNATIONALLY.MUST BE UNOPENED AND UNUSED TO QUALIFY FOR RETURNOUR 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.