1UNIVERSAL COMPATIBILITY: The fish finder mount is designed with a flat surface with various mounting holes, which is compatible with various models. You can also drill your own holes to fit your model. It is compatible with for Garmin GPSMAP 162 168 175 180 180C 182 185 188 188C 232 238 276CX 580 585Plus 695 4012 721xs 722 722xs 742 742xs 923xsv 1223xsv 2208DS, for Garmin ECHOMAP Plus 72cv 73cv 74cy 75cy 77cv, for Garmin Striker 5 Series for Striker Plus 5cv 7cv 7sv, for HDS 7 9 12 16 Carbon for HDS LIVE 7 and more! 2DUAL 360 SWIVEL BALL MOUNT: Due to the dual 360 swivel ball mount are both the mount and the bracket 360 degrees rotated, the upper mount size is 3.94x3.94in and the sturdy bracket with base is 6.8 inch tall, which provides a best view to meet your needs for fish finding. Hex base hole is 0.4 inch in diameter and the swivel ball is 1.8 inch in diameter, the bigger and heavy duty design for strong stability. 3DURABLE MATERIAL: The fish finder stand is made of premium nylon and heavy duty stainless steel, high strength and durable, which not allows you to get a stable view during fish finding, but also water resistant and can be used for a very long time. 4EASY TO INSTALL: The base and bracket can be disassembled separately, which is convenient to fix the base on the boat at first, install the bracket on the base after you fix the fish finder on the flat bracket. Loosening the switch on the side of the fish finder bracket, adjust the 2 ball swivel joints to meet your desired angle, and then tighten the switch. 5MULTIFUNCTIONAL MOUNTING: The fish finder mount is designed with versatility in mind. You can attach it to different locations on your boat, canoe or kayak. Whether you prefer to mount it on the side, rail, or any other suitable location, it will meet your needs and preferences.