A perfect addition to your trailer's existing leveling or stabilizing jacks. The Lock-Arm extends to the trailer frame and mounts with 2 self-tapping screws (included). After the 1 time installation, the Lock-Arm will move up and down with the operation of the trailer's jack and will self store on the trailer.

• Once the jack is in the down position with the lock-arm extended, use your 3/4 in. crank handle to tighten the set bolt
• Will secure the lock-arm and provide extra front to back stability
• 1-pair of lock-arm bars with mounting hardware per box
• Will work with various styles and brands of jacks limited lifetime warranty
• Customer Care: 800-347-2232
• California residents