18 in. Undermount Single Bowl 16-Gauge Brushed Nickel Stainless Steel Kitchen Sink with Bottom Grids. This handmade accessible kitchen sink is made of 16-Gauge T-304 Stainless Steel (thicker than 18 Gauge), boasting superior strength, durability, a bacteria-resistant non-porous surface that's easy to clean with a quick wipe. It has a gently sloped drain to prevent water pooling, an anti-splash rim to keep countertops dry, a thick exterior coating against condensation, and 3mm rubber silencer pads for a quieter kitchen. Its 5.5 in. low-profile depth enables easy reach when seated, and the flat front edge offers seamless knee clearance for wheelchair users. Exterior dimensions: 18 in. x16 in. x5.5 in. (min. cabinet size 21 in.); interior: 16 in. x14 in. x5.25 in. ; standard 3-1/2 in. drain (fits most garbage disposals); recommended cutout: 16x14 in. Included: T-304 stainless steel bottom grid, rolling drying rack, drain assembly, installation clips, cutout template, and installation guide.