The HitchClamp - Cross Clamp 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™ 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 ready for years of service and your next adventure. 3" Hitch Clamp (HC-CC3): Fits most Trucks with the new Heavy Duty 3" Hitch. Common Truck applications are the: Ford 250, 350, 450 and 550 models Also works with most reducer sleeves for 2.5" and 2" Proudly built in the USA 2.5" Hitch Clamp (HC-CC2.5): Fits most Trucks with the new Heavy Duty 2.5" Hitch. Common Truck applications are the: Ford 250, 350, 450 and 550 models Dodge 2500, 3500, 4500 and 5500 Models Chevy 2500, 3500 Also works with most reducer sleeves for 2.5" to 2" Proudly built in the USA Note: This product requires a flange on your hitch Specifications U-Bolt: ½ inch high strength steel, zinc coated 1/2-13 threads Cross Bar: 1-inch solid steel, zinc coated Bolt and Nut: 4 1/2-13 Nuts, 2 Washers and 2 lock washers, zinc coated 3" Hitch Clamp: PART# HC-CC3 / UPC Code: # 090125903799 2.5" Hitch Clamp: PART# HC-CC2.5 / UPC Code: 090125903676 Installation Installation Video Installation Instructions HC-CC3 Installation Instructions HC-CC2.5