Ideal Design: Inside the drain there is a very smooth spring mechanism that maintains a watertight seal without the need for a leaky push-pull lever. No Overflow: This drain is a no "overflow" style for use with standard sinks and vanities that do not have an overflow hole at the top of the sink bowl. Strong and Sturdy: Brass construction and locking nut, which ensures quality and longevity, and effectively resists corrosion and rust. Surface Treatment: The antique brass finish creates a slightly retro golden appearance with a gorgeous metallic texture. Simple Installation: Comes with mounting accessories, concealed screws, fixing is easy and quick, moreover, this item fits most sinks.