Kraus PU-11CH Pop Up Drain with Overflow Chrome Lead-free Brass construction Superior finish is corrosion & rust-resistant Designed to work with above-counter vessel sinks with overflow Fits standard 1.75 inch drain opening All rubber gaskets included for installation Lead-Free Brass Construction Superior Finish is Corrosion & Rust-Resistant Designed to Work w/ Above-Counter Vessel Sinks w/ Overflow Fits Standard 1.75" Drain Opening All Rubber Gaskets Included for Installation