The beach wheel mount is designed for using the Wonder Pole® 21 Foot Tailgate Flagpole on the beach. Just put in flat in the sand and drive a tire over the base. It is made of all aluminum so it won’t rust and is lightweight. The pipe for the flagpole is a 2 inch inside diameter. The base measures 5 inches wide and 24 inches long, and is angle aluminum so it wont slip or move when driving on. Made in the USA.