This set includes all four sizes of the world�s most popular Air Jack Air Wedge
All Air Jacks feature a bladder made out of ballistic nylon, not rubber, which is important because rubber stretches while the nylon wont
To further aid insertion, all Air Jacks have a built in stiffener that prevents the wedge from bending when you insert it
The Mini Starter Air Jack works great as a replacement to the One Hand Jack on vehicles with soft aluminum b-pillars that would be easily damaged with any kind of pry-bar or plastic wedge
The standard Air Jack works on many vehicles and is the most popular size of all
The Super Air Jack handles heavy duty door frames with ease
Finally the Twin Air Jack provides even spreading force on a stiff door frame by placing pressure on both the side and top of the door frame