Kingston Brass KB1000MB Pop-Up Bathroom Sink Drain with Overflow The Kingston Brass KB1000MB is a premium pop-up drain assembly designed for bathroom sinks with overflow holes. This brass construction ensures durability and a polished appearance that complements any bathroom fixture. Key Features Pop-up drain mechanism with overflow hole compatibility Solid brass construction for long-lasting performance Designer Trimscape collection styling Standard bathroom sink installation Specifications Upgrade your bathroom with this reliable Kingston Brass drain assembly. Perfect for replacing worn pop-up mechanisms or installing new fixtures.