TrailerLegs one axle set, SEMA award winning, trailer stabilizer and storage jacks, boat trailer, travel trailer, fifth wheel trailer, horse trailer and toy hauler TrailerLegs is a new tool designed for trailer Winterizing and campsite Stabilizing, you can also use TrailerLegs on the low side of your trailer to help in Leveling. And if you get a Flat tire TrailerLegs can help with that too. Best Trailer Stabilization System Available Protects and Prolongs Trailer Tires Life Low Side Leveling Safely Lifts And Supports Flat Tires On 2 and 3 Axle Trailers