Kingston Brass HGKUD3221P is an undermount stainless steel sink designed for solid surface countertops with a minimum thickness of half an inch. It features a positive reveal, where the countertop edge sits approximately 1/8" back from the edge of the sink, exposing the sink rim. The sink has a 1" finished rim and is recommended to be installed by a professional for best results. It is important to follow local plumbing and building codes during installation to ensure proper functionality and safety.