[UNIVERSAL FISH FINDER MOUNT]: The fish finder mount bracket has a completely flat surface with various mounting holes for compatibility with various models. You can drill your own holes to fit your model. The adjustable fish finder rack is compatible with Garmin GPSMAP 162/168/175/180/180C/182/185/188/232/238, Garmin Striker 5 Series, and Garmin Striker Plus 5cv. [HIGH QUALITY MATERIALS]: The fish finder mount is made of high-quality nylon plastic with high strength and hardness, good abrasion resistance, and durability. [INFINITELY ADJUSTABLE]: Ball-and-socket technology allows for near infinite flexibility. After releasing the switch on the fish finder stand, two spherical swivel joints allow the stand to be adjusted to any angle, which is very flexible and convenient. [STABLE SUPPORT]: The larger sphere design provides greater clamping force for larger fittings. After tightening the switch, the mounting plate will be very stable and will not come loose. [EASY TO INSTALL]: You simply attach the ball adapter to your device, then attach the correct size socket arm to the mounting base of your choice. The universal mounting plate has a complete flat surface, you just need to drill down to secure the bracket securely. (4 screws included in the package)