The RAILBLAZA Fish Finder Mount R-Lock S is a platform for mounting fish finders or chart plotters with square or round bases, making them easily removable. All that remains on the deck once it’s removed is a low profile RAILBLAZA mount. This 3 axis mount has friction joints top and bottom featuring R-Lock lockable joints. The centre joint is fully adjustable in 15° increments. Will hold fish finders up to 1.5kgs. Mount on angled surfaces and have your display level! Also with the correct RAILBLAZA mount, you can mount your fish finder on a rail, or inflatable tube. The RAILBLAZA Fish Finder Mount R-Lock S with any RAILBLAZA StarPort.Fits most fishfinder brands, including; Lowrance Hook2, Lowrance Elite Garmin Striker Plus, Garmin Echomap Humminbird PiranhaMAX Raymarine Dragonfly