J-LOCK bar hooks over trailer leaf spring and locks through wheel opening to protect trailers from theft.

Lock features a hardened steel shackle that resists cutting and sawing.

Fully body armor minimizes exposure to bolt cutters and saws.

Instructions:

^_. From the axle side of the wheel, slide the long leg of the J-Lock through the wheel slot while the short leg hooks over the leaf spring

^_. Place the disc lock in the slot closest to the wheel and turn the key to lock