Outer Dimensions: 23-1/2" x 21" Inner Dimensions: 21-1/2" x 19" Bowl Depth: 9-1/2" Bowl Finish: Brushed Satin Rim Finish: Mirror Drain Hole: 3-1/2" (US Standard) Minimal Required Cabinet Space: 24" 304 Stainless Steel Kitchen Sink Undermount Style 16 Gauge 18/10 Nickel / Chromium Stainless Steel The number 18/10 in stainless steel indicates a very high-quality, durable construction that will be highly resistant to stains, rust, and corrosion while maintaining a bright, attractive shine. Included with The Sink: Template for Sink Cutout Mounting and Installation Brackets 1 Regular Strainer