The Everol Nautilus Downrigger is simple yet functional. Built with only the most anti-corrosive components, the Nautilus is built to withstand the insidious saltwater environment. The Nautilus can swivel 360 degrees and stop at will, and its ingenious clutch system can be controlled effortlessly with one hand (by simply winding counterclockwise, the ball or Z-Wing can be slowed down until the desired depth is reached - as measured on the meter counter). The Nautilus can be mounted on a permanent fixing plate where desired or ordered with a gimbaled mount for use in any standard rod holder. The use of the rod holder mounting is perfect for those who only use their downrigger occasionally or for those who do not want to drill holes in their boat for a permanent fixing plate. The Nautilus comes standard with a stainless rod holder, so use of the rod holder mounted Nautilus does not mean that you will lose use of one of your boat's rod holders.