This BAL RV Manual Trailer Stabilizer Jack Stand is used to stabilize campers. It has a static load capacity of 3000 pounds and sold in pairs. Specifications•Used For: Levels And Stabilize Travel Trailers And Fifth Wheel Trailers•Type: Cross Frame Stabilizer•Operation Type: Manual•Shape: Square•Weight Capacity: 3000 Pound•Travel Length: 31 Inch•Color/ Finish: Black Electro Coated•Included Crank Handle: Yes•Quantity: Set Of 2 3000 Pound Static Load Capacity 31 Inch Set of Two | RV Manual Trailer Stabilizer Jack Stand, 31", 3000-lb. Capacity