The Precision Sonar LockJaw Fish Finder Mount is a universal mount that is built for big units and big water. This mount is constructed with teeth on the base, arms, and mounting platform. With the LockJaw you don't have to worry about your unit falling over in rough water anymore. Once set, the mount is locked in. Note: If using the Garmin factory bracket to mount a unit, you may be required to drill your own mounting holes.FeaturesUniversal mountKeeps your fish finder rock solid