Delta 41636-PN Traditional Grab Bar with Concealed Mounting, 36-Inch, Brilliance Polished Nickel Supports up to 500 pounds when properly installed Outside diameter of 1-1/4 inches Concealed mounting, mounting hardware included High quality finish - will resist rust and corrosion through everyday use Coordinates with Delta collections: Victorian, Cassidy, Leland and Windermere Zinc