Andersen stabilizers consist of blocks that are attached to the supports of the RV. They dampen almost all unwanted sway of parked motorhomes and trailers, which reduces the load on your trailer. The set includes 6 Andersen stabilizers at once. This is enough for a typical two-axle trailer. They are attached very simply through a magnetic connection. In addition to the stabilizers themselves, there is another useful accessory - a step. It is a mini step that is attached to the draw bar from below.