The Kraus KGU-431B is a black onyx granite double-bowl kitchen sink. It has a black onyx finish that adds a beautiful accent to your kitchen. It has a sink length of 32 1/2 inches, a sink width of 19 7/8 inches, and a bowl depth of 9 1/2 inches. This sink has a sound-absorbing material for a more peaceful use. It has a double-bowl design that provides flexibility for multi-tasking. This double-bowl kitchen sink is made of granite which is durable and resistant to heat. It is for undermount installation. It has a matching grid which is the KBG-10. The KGU-431B granite double-bowl sink is covered by a limited lifetime warranty. It meets the standards of the cUPC that makes it distinct and reliable. Please see the specification sheet for more details. Kraus is motivated to produce products that establish timeless value for their customers. Their goal is to bring luxury and pleasure to your everyday living. Here at PlumbersStock, we guarantee that you have access to the highest quality products and resources at very affordable prices. We pride ourselves in striving for excellence in every aspect of what we do.