The Keeney Bathroom Sink Drain is designed for use in bathroom sinks with overflow. It has a 1-1/4 in. outlet and fits sink drain holes with a minimum diameter of 1-1/5 in. This drain fits popular bathroom sink styles including pedestal, vessel, drop-in and undermount. Made of plastic, this decorative sink drain has a brushed nickel finish that matches existing bathroom fixtures. The included large locknut and puttyless washer offer easy installation. Keeney is a leading manufacturer and distributor of tubular drainage products. Founded in 1923, the Keeney product line includes under-sink drainage, quarter-turn valves, bath drains, toilet repair parts and more.