This Westbrass, ADA-approved bathtub drain and stopper, replaces existing bath drains and provides positive closure. Designed for coarse thread, 1-1/2 NPSM drains. A solid brass shoe with plastic and brass stopper stem. Easily opened and closed by pressing the stopper. NOTE: Be sure to measure to ensure the correct size drain shoe (Coarse or Fine). Available in a variety of stylish finishes, this item is sure to complement your existing fixtures. Westbrass Fine Decorative Plumbing since 1935.