All bath accessories are zinc die cast except for the ring on the towel ring and the arm on the European tissue. These items are made of brass. All mounting plates are interchangeable through out the rustic ware line. All setscrews are interchangeable - 5/64 Allen head. The decorative posts have the same design for all three styles. With five distinct styles and a variety of designer finishes, our bath hardware collections are designed to accentuate a wide range of decorative styles. Whether you are looking for a true rustic look for your mountain cottage, a sleek, minimal design for your urban loft or traditional styling for your familys home, rustic ware can provide the finishing touch to your bathrooms decor.