The Fontaine Zodiak vessel basin sink is a unique addition to your home.This round vessel sink measures 16.5 inches in diameter outside x 5 inches above the counter. The thick tempered glass features a Zodiak design indented from the outside, leaving the inside surface completely smooth. Topped off with a chrome finish mounting base ring and a push/pop umbrella drain, it makes a fine addition to any bathroom.Home remodeling needs are always available at Overstock.com.The installation height of the lip of the sink basin above the deck depends on the diameter of the hole you cut in the countertop. Every installation in unique, please do not ask us for advice on your particular installation as there is no way we can answer such questions.