KegWorks Domed End Cap - Brushed (Satin) Stainless Steel - For 1.5" Outside Diameter Bar Foot Rail Tubing Made of brushed stainless steel. For use with 1.5" outside diameter bar rail tubes. Easy installation. Finish off your bar rails for a professional, attractive appearance. Installed Dimensions: 1 1/2"W x 1 1/2"H x 1"D.