Aluminum Trailer Hitch Mount designed for 2" or less pole diameters. A great way to show your team spirit or American pride as you camp or tailgate. Fly a flag from your car, truck or RV trailer hitch. Installs in seconds by sliding the mount into the receiver and locking into place with the included pin. Vehicle must be stationary for installation and use. This aluminum flag mount is for standard 2" square Reese receiver hitches.