This innovative accessory will take away the problems associated with trying to hook up a trailer. No more dinged bumpers, repeated attempts or potential arguments with your helper. It locates the trailer coupling directly over the ball without the need of assistance. The coupler connect installs in minutes, and can be used as a wheel chock when you’re not hooking up. Aligns coupler directly over tow ball; two-piece construction: mounting bracket and guide plate, prevents damage to vehicle; saves time on every backup. Does not require a line of sight out back window. Bracket fits standard 1 inch diameter ball shank and is made in the U.S.A.