- Perfect device to ""dead-line"" a trailer, offering a simple way to prevent a trailer from being moved while being loaded or unloaded
- This semi-trailer lockout device acts as a harness around the air intake valve of the emergency brake system
- The trailer is immobilized because the gladhand lock must be removed before the air line can be connected, thereby releasing the trailer emergency brake
- Lock can be installed and removed in seconds
- Cylinder lock prevents removal without the key and dock supervisors can assign keys to loads to certify that the proper driver is taking the correct load