KSN-3018-GM is an undermount single bowl sink that fits perfectly within a 33 ″ cabinet. Made from 18-gauge 304 stainless steel, it features a brushed finish that protects the beauty of the sink. The sink offers a rear drain that measures 3 1/2″. Every Allora USA sink features a coating of insulating paint and sound dampening pad to reduce noise. Pictures not to scale. Accessories not included.