This Westbrass designer twist & close bathtub Drain Trim Kit is the decorative solution and perfect finishing touch for your tub! The drain plug sports coarse thread 1-1/2 inch NPSM thread with a turn and push to close and pull up again to open the stopper. A hole overflow faceplate finishes the bathtub trim. Solid Brass construction. Note: Be sure to measure to ensure the correct size (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.