POP-UP DRAIN ASSEMBLY works with vessel, basin, and undermount bathroom sinks WITHOUT OVERFLOW – Fits sinks with 1.75 in. drain opening – For sinks with overflow, please try KRAUS model number PU-11 ALL-METAL CONSTRUCTION (no plastic): Ultra durable metal body and tailpiece offer maximum resistance to corrosion and rust LEAK-FREE DESIGN with all rubber gaskets included for easy installation – Built to last with CORROSION-RESISTANT FINISH that will not fade or tarnish over time 1 YEAR LIMITED WARRANTY: Satisfaction guaranteed with top-rated customer service that always puts you first PLEASE NOTE: For ultimate functionality and a proper fit, measure drain opening or consult sink manufacturer instructions