Used it with the Switchblade on my Striker 4 for 2 years. Identical to this.
It's easy to disconnect - 2 knobs and the entire setup comes off to take inside or stow in your truck. You can adjust tension on the arm by tightening or loosening bolts. Once dialed in it holds fine.
It's a decent setup...but I'm dropping the Cellblok. I wanted to shave weight/bulk as I switched from a sit on top to a sit in (Perception Sound 10.5).
I use Dewalt 20v to power my Garmin in winter, and a 5ah battery runs 12hrs no problem - for a fraction of the size/weight. And I have a ton of them. So bought this to mount under the dashboard. Then mount the finder and ducer arm to a plate on the molded in dash with a single bolt w/ knob screw.