BTU is designed to adapt the BT1 to work with all couplers covered by the BT2 and BT3 coupler locks. If you are wanting a truly universal coupler lock system this adapter kit along with the BT1 coupler lock will cover the majority of trailer couplers.
BTX storage bracket provides a place to store your lock when your trailer is connected to a vehicle. Mounts on the trailer tongue tubing and assures you always know where your trailer lock is. Works with BT1, BT2 & BT3 Locks.
The BT8 Gooseneck Coupler Lock is designed to work with a wide variety of Gooseneck Couplers. This unique design will work with the old 2 plate couplers and the new forged couplers that use both round and square tubes.