The sok bath drain is designed for use with sok overflowing baths. It supports above- or through-the-floor installation and features sturdy 17-gauge brass construction for long-lasting durability and performance. 17-gauge brass construction. Brass tailpiece. Adjustable trip lever pop-up drain. 1-1/2" connection. For above- or through-the-floor installations. For use with K-1166 sok¬Æ bath.