Nantucket Sink’s ROB-OF bathroom sink is solid brass with a hand hammered shiny surface and is a stylish part of our Brightwork Home Collection. An exclusive design, this round hand-hammered brass lavatory sink is designed to be undermounted. Make a statement with this show-stopping sink! This sink will naturally patina if left untreated. *Special care and maintenance requiredSize may vary slightly due to the hand made nature of this sink. Slight variations may exist. This sink has an overflow and will be perfect in your bathroom vanity. Please visit our Support page for special care and maintenance instructions regarding specialty metal finishes. Please see our support page for Brightwork Installation instructions.