Strut Stabilizer for Trailers & 5th Wheels provides exponentially more stabilization than just scissor jacks. Eliminates movement in fifth wheels and travel trailers with a four corner cross-member stabilizing system providing a rock solid foundation. Mounts directly on the frame on existing stabilizer jacks and landing gear. Bolt-on, one time installation. T-handle locks struts in place with an easy twist. Easy to set up, telescopes into place. Contains struts, mounting brackets and hardware. Does not include stabilizer jacks.