The Valterra RV Stabilizer gives your RV a solid, wobble-free feeling inside of your RV You'll feel like you're walking inside of a stick & brick house, that's how steady the RV stabilizer makes your RV feel. They also eradicate irritating rattles and uncomfortable wobble. The Valterra Universal RV Stabilizer adjusts to a variety of vehicles and frame clearances. And best of all, it only takes a few minutes to set up without the use of any tools. When you are ready to move on down the RV road, the stabilizers fold up compactly for quick storage. They can be used on motor homes, travel trailers, fifth wheels, or pop-up campers. They will work in conjunction with your present leveling jacks or on its own. Can be positioned on front, rear, slides or sides of RVs. 14" to 28" frame to ground clearance.