KegWorks 8' Foot Bar Foot Rail Tubing - Gunmetal Grey - 2" Outside Diameter Made of stainless steel with a durable Sunset Copper finish Makes your bar more comfortable for guests. These rails are exactly the same as the ones you see in your favorite bars and restaurants. You will need a bracket at both ends of the tubing for support, plus one at every 4-foot increment. 2" Outside Diameter.