BAL Tire Leveler.
Ideal for pop ups. The BAL Tire Leveler lifts the low tire for accurate and easy leveling.
It accepts 13", 14", & most 15" wheels. Shown in the images is an E3 with off road tires. A 235/75/R15 knobby tire works with this system and it is the final tire size.
Included is the ratcheting wrench.
Works well with the recommend BAL Tire Locking Chock found here
Part number 28050