Check the listing for details. RAM-D-111U-C Ram Mounts 2.25″ Diameter Ball Mount with 11″ X 3″ Rectangular Base. Condition: New. Listed at 131.99 USD. RAM-D-111U-C RAM Mounts 2.25´´ Diameter Ball Mount with 11´´ X 3´´ Rectangle Base, & 3.68´´ Round Base; Overall Height: 8.25” SPECIAL NOTE: This item is much larger in real life than it appears to be in the photos. Please be sure to see all measurements and weights listed in the description. ABSOLUTELY NO REFUNDS FOR FAILURE TO PROPERLY VIEW ALL SPECIFICATIONS. If you receive this item and it is too large for your project, no return will be allowed and no refund will be given. COMPATIBLE DEVICES: Garmin ECHOMAP Ultra 122svECHOMAP Ultra 126svGPSMAP 1222/xsv TouchGPSMAP 1242xsv/TouchFishfinders and GPS ChartplottersLowrance HDS Carbon 9HDS Carbon 12Elite-9 CHIRPElite-9 TiElite-9 Ti²Elite-12 TiElite-12 Ti²Fishfinders and GPS ChartplottersHumminbird Fishfinders and GPS ChartplottersRaymarine Fishfinders and GPS Chartplotters The RAM-D-111U-C consists of a 3.68´´ diameter round base, SHORT double socket arm and 11´´ x 3´´ rectangular base. The round base contains pre-drilled holes, including two holes at 180 degrees and three holes at 120 degrees. The rectangle base contains different combinations of pre-drilled holes which will match up to many electronic devices and mounts, including Marine GPS, CB Radios, Ham Radios, Gimbal Brackets and more. Overall Height:8.125´´ Weight Capacity:Up to 15 lbs. Weight:3.45 lbs. Material:Powder Coated Marine Grade Aluminum Ball Size:2.25´´ Rubber “D” Ball Size Note:The “U” in the part number reflects product packaged in poly bag. The 11´´ x 3´´ rectangle base 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 DEALER INFO: Synergy Mounting Systems is a RAM Mounts authorized dealer. We have written permission from RAM Mounts (NPI) to sell their products on eBay and other 3rd party websites.