Quickly and effortlessly remove expensive electronics with just a push of the plunger pin and a quick twist. Only for use with Angler\'s Pal / Panther electronics mounts. Lightweight, corrosion resistant fiberglass reinforced polypropylene and stainless steel is suitable for fresh or salt water environments. 3-3/4\" diameter; 15/16\" height Stainless mounting hardware included. Not recommended for use with electronics weighing over 5 lbs.