Handcrafted 18 Gauge Undermount Single Bowl ADA Compliant Stainless Steel Kitchen Sink with Strainer Features . 18 gauge undermount. Type 304 Premium stainless steel. Hand crafted with reserved radius corners. Heavier than 16 gauge pressed sink. Intelli Pressed seamless one piece construction. Mounting hardware included. Cutout template included. Complies with ASMEA 112 19 3 2008 CSA B45 4 08 Specifications . Size 23 in . Material Stainless Steel. Gauge 18. Drain Opening Size 3 1 2 . Drain Placement Offset Towards Back. Dimension 22 56 x 17 31 x 4 5 . Weight 34 lbs