BeatDown Outdoors combined The Quick Release with The Ultimate Double Stack to provide anglers with the ultimate mount to raise your graphs from the deck of your boat up to 30 inches in a matter of seconds. When you are done fishing for the day you can quickly remove your BeatDown Outdoors The Ultimate Quick Release Double Stack Fish Finder Mount. Simply remove the mount off your boat with a turn of the knob and a quarter turn of the wrist. FeaturesPatented Reverse Telescopic Design extends from the deck of the floor to 30 inches in height Patented locking collarsQuick Release Base allows you to disconnect your mount and take it where you see fitDouble stack allows you to mount two graphs to your Ultimate mountOversized KnobsBeatdown Bi-Metal Technology, 6061 Aluminum 304 StainlessCompatible with Garmin, Humminbird, and Lowrance