Durasafe Sonar/Gps E-Lock System -
Prevent theft of your marine electronics by securing them to their brackets with this keyed knob lock. Universal design fits most popular GPS, fish-finder, chart-plotter and VHF brands: Lowrance, Humminbird, Garmin, Raymarine, Cobra, Standard Horizon, Uniden. Compact and easy to use, simply replace factory knob with the lock system and secure the unit to the bracket. Rubber cap included for weather protection. Hardware and two keys included.