The Precision Sonar Garmin ECHOMAP Cradle Lock keeps Garmin 10 in. and 12 in. ECHOMAP units secured in the factory cradle when bass, walleye, muskie, and multi-species anglers run rough water, trailer their boat, or fish high-speed tournament days. This durable, purpose-built cradle lock adds retention where the standard mount can loosen under vibration, helping prevent expensive sonar units from bouncing out during real-world boating conditions. It installs quickly with a clean, low-profile look and works with Precision Graph Locks for anglers who want a fuller electronics security setup at the bow, console, or secondary graph station.Fits all Garmin 10 in. and 12 in. ECHOMAP unitsHelps prevent units from bouncing out in rough water or during transportCompatible with Precision Graph Locks for added securityQuick, secure installation with a clean, low-profile look