All of our pull chains are made from solid brass, and generally are available in two types of finishes, either a polished or an antique brass finish. Both finishes come with a protective lacquer coating which protects the finials against discoloring and tarnishing and will not require polishing. All RDI pull chains are standard. Additional Details ------------------------------ Product description: All of our pull chains are made from solid brass, and generally are available in two types of finishes, either a polished or an antique brass finish. Both finishes come with a protective lacquer coating which protects the finials against discoloring and tarnishing and will not require polishing. All RDI pull chains are standard.