Check the listing for details. RAM-111U Ram Mounts 1.5" Diameter Ball Mount with 6.25" X 2" Rectangle Base AMPS. Condition: New. Listed at 57.49 USD. RAM-111U RAM Mounts 1.5" Diameter Ball Mount with 6.25" X 2" Rectangle Base, STANDARD LENGTH Double Socket Arm & 2.5" Round Base (AMPs Hole Pattern) MUST BE UNOPENED AND UNUSED TO QUALIFY FOR RETURN Compatible devices: Garmin ECHOMAP Plus 72cvECHOMAP Plus 73cvECHOMAP Plus 74cvECHOMAP Plus 75cvECHOMAP Plus 77cvGPSMAP 722GPSMAP 722xsGPSMAP 742GPSMAP 742xsStriker Plus 5cvStriker Plus 7cvStriker Plus 7svFishfinders and GPS Chartplotters Lowrance HDS Carbon 7HDS LIVE 7Hook Reveal 7 SeriesHook Reveal 9 SeriesFishfinders and GPS Chartplotters Humminbird Fishfinders and GPS Chartplotters Raymarine Fishfinders and GPS Chartplotters CAUTION: THE BALL SIZE IS ON THIS ITEM 1.5" (ONE AND A HALF INCHES). NO REFUNDS FOR FAILURE TO READ BALL SIZE! OVERVIEWThe RAM-111U consists of a medium double socket arm, 2.5" diameter round base, and 6.25" x 2" rectangle base. The round base includes a 1.5" C size rubber ball and contains pre-drilled holes, including the universal AMPS hole pattern. The rectangle base also includes a 1.5" C size rubber ball and contains a variety of pre-drilled holes that are compatible with several marine electronic devices, including fishfinders and chartplotters.PRODUCT DIMENSIONS: Overall Height of entire unit: 7.35"Length of arm only: 5.69" SOCKET-TO-SOCKET LENGTH: 4.66" HOLE PATTERN :4-Hole AMPS: 1.181" x 1.496" / 3-Hole 120-Degree: 1.812" DiameterSee Drawing PLATE SIZERectangular Plate: 6.25" x 2"Round Plate: 2.5" Diameter BALL/SOCKET SIZE: C Size (1.5")WEIGHT CAPACITY: 4 lbsMATERIALS: Marine-grade aluminumPACKAGING TYPE: Poly BagWEIGHT: 1.26 lbs.ADDITIONAL INFORMATIONThe included plate is a universal mounting bracket with a selection of mounting hole locations. In certain applications additional holes may need to be drilled for proper fit with your electronic device. THIS ITEM SHIPS TO THE UPPER 48 STATES ONLY. 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.