SteadyFast RV Trailer Stabilizer System for 5th Wheels with Power Leveling Made in USA system, Stabilizes a Parked Fifth Wheel Trailer with Power Leveling System This System is designed for Big Foot, Level Up, Ground Control, and similar power leveling systems with cylinder type jacks Easy to install, setup, and use. Permanently installed so there is nothing to setup or store. Eliminates Need for Tripod, Between Wheel Chocks, and Slide Out Jacks.