The best swivel mount! Robustness, durability, stability, easy adjustments, fully adjustable for a good view, and quick and simple assembly/disassembly. With these systems, you can optimize the placement of your electronics on your boat. You always have the option to align your RAM for the best view of your screen. Setup and takedown take only a few seconds, and you just need to attach the base to your boat. It also withstands challenging conditions on the water, allowing you to fully enjoy your electronic devices in any weather! This set includes: 15 cm lever for RAM-109 series. Horizontal mount for swivel arm series RAM-109 Marine.