The BTX7 storage bracket provides a safe and secure place to keep your coupler lock while the trailer is attached to a vehicle.  You will never have to wonder where you put it or search for your coupler lock again.  This bracket mounts to the trailer tongue frame by drilling 2 holes and using the approperate hardware to secure the bracket to the trailer.  Works with BT1,BT2,  BT3, & BT4, BT7B, BT7D, BT7E, and BT7H locks.