Locking Fifth Wheel Stabilizer features screw adjustment to provide fine adjusting of height and applied load for better stabilization. The cup is lockable with the included lock with torque handle to help prevent theft. Reduces side-to-side and fore-to-aft movement of your coach. Designed as stabilizers for 5th wheel trailers with a king pin height of 38-1/2 Inch to 50 Inch. Easy to use with a simple, but effective, chain system that links and locks tripod legs to the proper height. These stabilizers work in conjunction with your coach’s supporting jacks and are not intended to support the full weight of your coach. Their maximum vertical load rating is 5,000 Pounds.Travel Length: 38-1/2 To 50 InchWeight Capacity: 5000 PoundUsed For: Stabilize Fifth Wheel Trailer While ParkedColor: BlackMaterial: SteelQuantity: SingleFeatures Screw Adjustment To Provide Fine Adjusting Of Height And Applied Load For Better StabilizationMade Of Rust Resistant SteelReduces Side-To-Side And Fore-To-Aft Movement Of Your CoachLimited 1 Year Warranty