AEV JACK BASE FOR JL WRANGLERAEVs JL Jack Base provides 3 1 2 inches of additional lift height to the stock Wranglers scissor jack allowing tires of up to 37 to be changed with ease and stability. Many people dont realize that the stock jack wont work to change larger tires until its too late, leaving them stranded on the side of the road or even worse, on the trail. The JL Jack Base has a large 7. 5 x 10. 5 footprint to provide better stability in off road and soft soil