33 Inch Stainless Steel Top Mount Drop in Single Bowl Kitchen Sink Coil Spring Combo Crafted from high quality premium 18 gauge T304 stainless steel Top Mount Rim design allow the sink to sit on top of the countertop. Brushed satin finish deck and bowl. Fully Protected by heavy duty sound deadening pads and undercoating for noise reduction. cUPC, NSF certified. ADA, CA AB 1953 lead free compliant.