CNC Machined Aluminum mount to hold your electronic units in place.
Stainless detents hold it were you put it and it stays.
Predrilled and tapped to fit most Humminbird , Garmin and Lowrance electronics.( WILL NOT FIT HELIX 7 MODEL)
Four arm lenghts to choose from 6'' 8'' 10'' and 12''
No More ALUMINUM KNOBS . Stainless steel bolts. Tighten them up with a 3/8 allen wrench. Once they are tight the WILL NOT lose their position.  This mount works ideally on the deck.

Single Monitor Deck Mount 10''