PROMOTES QUIET TOWING — The CURT anti-rattle hitch clamp promotes quiet towing by clamping down onto the receiver hitch connection. Warning: Anti-rattle clamp must be used in conjunction with a properly secured hitch pin EASY TO INSTALL — This easy-to-use anti-rattle hitch tightener requires only basic hand tools for installation. Simply install the U-bolt down onto the shank over the receiver tube opening and tighten down the two nuts with a wrench UNIVERSAL FIT — This anti-rattle device fits virtually any 2" receiver tube. It can be used with hollow or solid shank hitch accessories EASILY ADJUSTABLE — To ensure a tight fit over your hitch connection, this hitch clamp is easy to adjust. Simply tighten or loosen the nuts with a wrench TOUGH BUILD & FINISH — This anti-rattle hitch kit is constructed from stainless steel and aluminum and comes with a clear zinc coating that provides lasting corrosion resistance