You already have a battery solution that you want to use, but you still want an awesome mounting solution for the components of your fish finder, I.e. the control head and transducer?  You're a minimalist, and you have a compact fish finder, and want the mounting solution to be sized to fit bang onto the footprint of you fish finder? Not a problem with this lower cost fish finder mounting kit.  It still includes everything you need to mount the compact fish finder of your choice on your float tube.

Recommended for Humminbird PiranhaMAX series, and Garmin Echo Finders up to the 300 series, the Garmin Striker 4 and 4DV and more