Native Trails Apron Front Kitchen SinkFarmhouse Duet Kitchen SinkOutter Dimensions: 33" x 22" x 10-1/2" Lg. Basin Inner Dimensions: 16-1/2" x 18" x 10" Sm. Basin Inner Dimensions: 11-1/2" 16" x 8" Apron extends 3-1/2" on sides16 Gauge Hammered Copper3.5" Drain (Not Included)Available Accessories: DR320 (Drain), DR340 (Drain), GR976 (Bottom Grid), GR975 (Bottom Grid), GR878 (Basket)IAPMO ListedInstallation Type: Undermount