4-Way Post for Crowd Control Post and Rail System allows you to build a portable crowd control system. The Elite modular system uses portable heavy gauge aluminum posts with 4-way connectors along with matching rails in lengtghs of 3,4, 5, or 6 feet, making it easy to reconfigure your setup. Post height 36 inches, 2.5 inch diameter post, 14 inch diameter base, 34 pounds per post. To purchase rails, please see related products below. Rails (not included) sold individually.