The DuraSafe GPS/Depth Finder Lock replaces one of the knobs on the mounting yoke for many popular brands of GPS or depthsounders. Available in 7 models to fit different knob thread sizes from such electronics manufacturers as Raymarine, Garmin, Navman, Lowrance, Furuno, Humminbird, Eagle and Vexilar, the DuraSafe locks prevent theft by requiring a key to remove the unit from the yoke. The locks have a suggested retail price starting at $12.95. DuraSafe Locks, New Berlin, WI; (262) 544-5615; www.durasafe-usa.com.
