This tub closure features chrome-plated brass construction. It is designed for bathtub, sink, and shower drains. Tub Closure, Drain Stoppers, Pipe Dia. Drains 2-7/8 In., Material of Construction Drains Brass, Color Drains Chrome, Push Pull, Silicone Adhesive, Includes Brass pin threaded 5/16 In.-18, Brass pin threaded 3/8 In.-16, Stopper, strainer body cover, silicone adhesive This product contains a chemical that is regulated under California Proposition 65. Warning This product contains a chemical known to the State of California to cause cancer. Warning This product contains a chemical known to the State of California to cause birth defects or other reproductive harm.