The RAILBLAZA Fish Finder Mount R-Lock Hook 2 is a fish finder mount allowing Lowrance HOOK2 4x and 5x models to become StarPort compatible. Easy to tilt and remove, simply replace the supplied Lowrance mount with the Hook 2 Adaptor to allow single-handed display tilting. 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 center joint is fully adjustable in 15-degree increments. Will take fish finders up to 3.3 lb. Mount on an angled face and have your display level! Also with the correct RAILBLAZA mount, you can mount your fish finder on a rail, or inflatable tube! Use the Fish Finder Mount R-Lock Hook 2 with any RAILBLAZA StarPort.