Specification Brand : YOUTHINK BulletPoint1 : SUPPORT HOLE DRILLING: The plate is a universal mounting base with multiple mounting hole locations. In some applications, additional holes may need to be drilled to properly mount your electronics. BulletPoint2 : PREMIUM MATERIALS: Fish finder mount base is made of sturdy nylon and silicone materials that can withstand exposure to water and provide long lasting performance. Giving you a stable view during fishfinding that will last a long time. BulletPoint3 : UNIVERSAL COMPATIBILITY: 1.5 inch ball universal mounting plate for fish finders, GPS chartplotters and more. Compatible with for Arkon, for iBolt, and other 1.5 inch, C size, 38mm arm systems. Rectangular plate with multiple pre drilled holes. BulletPoint4 : HIGH STABILITY: The ball and mounting plate are moulded in one piece, not screwed together, to extend the life and ensure the stability of the unit. The 1.5 inch ball is more and stable in harsh marine environments than the 1 inch ball. BulletPoint5 : COMPATIBLE : Compatible with for GPSMAP 722 722xs , for Striker Plus 5cv 7cv 7sv, for Striker Vivid 5cv 7cv 7sv, for ECHOMAP Plus 72cv 73cv, for ECHOMAP UHD 93sv, for ECHOMAP UHD2 5in 2 7in, etc, for Lowrance HDS Carbon 7, for Hook Reveal 7 9 series, for Elite FS 7 FS 9 and other GPS chartplotters, fish finders. Color : Black CompatibleDevices : GPS Navigation System Department : Unisex Adult ItemName : Fish Finder Mount Base, Black Rectangular Design 360 Degree Rotation Mount Base for Boat Canoe Kayak ItemPackageDimensions_Height : 6 centimeters ItemPackageDimensions_Length : 17 centimeters ItemPackageDimensions_Width : 7 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : boating-gps-accessories Manufacturer : YOUTHINK Material : nylon + silicone ModelName : Youthink7kse2c3hqg ModelNumber : YOUTHINK7kse2c3hqg PartNumber : YOUTHINK7kse2c3hqg ProductDescription : Specification: Item Type: Fish Finder Mount Material: Nylon, Silicone Color: Black Base Interface: 1.5in/38mm Round Ball Base Mounting Plate Size: Approx. 16 x 5.5cm / 6.3 x 2.2in Compatible : Compatible with for GPS Chartplotters and Fishfinders: for GPSMAP 722 722xs 723 723xsv 742 742xs 743 743xsv, for Striker Plus 5cv 7cv 7sv, for Striker Vivid 5cv 7cv 7sv, for ECHOMAP Plus 72cv 73cv 74cv 75cv 77cv, for ECHOMAP UHD 93sv, for ECHOMAP UHD2 5in 2 7in and more. Compatible with for Lowrance: for HDS Carbon 7 LIVE 7, for Hook Reveal 7 9 Series, for Elite FS 7 FS 9, for Humminbird and for Raymarine, etc