This traditional pop-up lavatory drain comes complete with lift rod, extension linkage, horizontal rod. clip and plunger assembly. The drain has overflow holes, for sinks with integrated overflow, and has a fully finished body under the sink, for exposed installations. Pop-Up Style Lavatory Drain. Fully Finished for Exposed Installation. With Overflow Holes. Fits 1-1/2" Opening with 1-1/4" Tailpiece. Brass Construction.Features:Pop-up lavatory sink drain with strap, horizontal rod, and lift rodWith overflow holesFits 1-1/2 in. opening with 1-1/4 in. tailpieceFully finished for exposed installationsFits sinks from 1 in. to 2-3/4 in. thickUse with D410SP mounting spacer ring to install on thin sinksBrass constructionDo not use plumber''s putty for installation use silicone seal