1. Part Number: According to the original factory specifications, the replacement reference OE number is RAM-B-111U.2. Applicable Model: Fish finder mount replacement for Garmin ECHOMAP Plus 72cv 73cv 74cv 75cv 77cv.3. Infinite Adjustability: Ball and socket technology allows for almost infinite adjustability while providing the holding power needed to support heavy equipment in the toughest environments.4. Easy to Use: Simply attach the ball adapter to your device and connect it to the appropriate size of socket arm to position it on the mounting base in the desired location.5. Versatility: You can securely position and adjust your expensive fish finder and other equipment in any position while maintaining the bracket's structure even in rough water.Specification:Item Type: Fish Finder MountMaterial: Nylon + SiliconeColor: BlackOE: RAM-B-111UFeatures:Replacement for Garmin ECHOMAP Plus 72cv 73cv, 74cv, 75cv 77cv; Replacement for Garmin GPSMAP 722, 722xs, 742, 742xs; Replacement for Garmin Striker Plus 5cv, 7cv, 7sv. Replacement for Lowrance HDS Carbon 7, HDS LIVE 7, Fish Finder, GPS Chartplotter.Replacement for Humminbird Raymarine Fish Finder and GPS ChartplotterPackage List:1 x Base1 x Bracket1 x PlateNote:1. Please double check the part number of your item. Matching information is for reference only.2. If you are unsure about the item, please contact us before buying to avoid unnecessary returns, thanks!