The NOPRAT MARINE Anodized Aluminum Fish Finder Lock is specifically designed to secure and protect your valuable marine electronics. Our zinc plated fishing graph lock embodies both functionality and durability, ensuring that your chart plotter and fish finder remain safe and sound at all times. The NOPRAT MARINE Aluminum Lock is constructed from high-quality 6061 anodized aluminum. This ensures that the lock protects your unit even in harsh marine environments. The zinc plated alloy components further enhance the lock's durability, offering an additional layer of protection against rust and wear, providing you with peace of mind and long-lasting performance. Elevate your marine security with the NOPRAT MARINE Aluminum Lock, the ultimate solution for safeguarding your fishing electronics. Trust in the strength and reliability of our anodized aluminum and zinc plated alloy construction to keep your devices secure and protected, allowing you to focus on what truly matters – enjoying your time on the water. Includes for Screws to Fit the following Units: Garmin GPSMAP Series Lowrance HDS, Elite and Hook Series Hummingbird Helix, Solid, Apex and Xplore This lock can be used with other fish finders, but you may need to source the correct screw for your unit.