The HitchClamp - Cross Clamp 2.5" attaches around the receiver tube and has easy access to the bolts on top for easy tightening. Built from a heavy ½ diameter U-bolt and solid steel bar the Cross Clamp TM is perfect for eliminating the wobble, sway or rattle between your hitch and receiver. Perfect for bike racks, cargo carriers, dirt bike racks, trailer hitches, weight distribution hitches, equipment haulers or any receiver mounted accessories. Built from high strength steel and built for years of service and ready for your next adventure. The clamp can be mounted with the clamp bar on the top or bottom of the receiver. Your truck must have a lip or collar around the opening of the receiver tube for this style of clamp to work.