Sets up in minutes and allows for a wide range of fun filled activities. Standard has a 24"-diameter base with a bolt and pin to secure the included 10' galvanized steel pole. Each standard also includes a sliding eye bolt collar for easy height adjustment, rubber base rims to protect floors and two 4"-diameter non-marring wheels for easy mobility. Medium duty center features a 145-lb. base. Includes special slides that allow for multiple nets to be connected. Please specify red or blue when ordering. Sold as a single standard.