* Eliminates most trailer movement associated with existing leveling or stabilizing jacks.
* Adapts to most crank down leveling/stabilizing jacks.
* Installation is a simple one time, bolt on application.
* Unique swivel mount works at various jack angles.
* Telescopic Lock-Arm travels up and down with jack for easy set up and storage.
* Uses 1/4 inch crank handle to lock and unlock Lock-Arm.
* Two Lock-Arms and complete mounting hardware included.