Make your RV more secure with this Stromberg Carlson Stabil-Step Jack. It is made from a sturdy steel material and supports 750 lbs. The adjustable jack will take the load off your step tread, mechanism and frame. It also helps to lengthen the life of an RV step assembly. It is easy to use, just twist to extend or retract for storage. You can turn the threaded rod at least three full turns into the base of the RV jack for proper support. It helps to stabilize your step assembly for entering and leaving your vehicle.