Medallion series features generously - sized, stylish undermount designs for the most elegant kitchens - and the most sophisticated homeowners. Each sink features an 9 depth, premium grade 18 - gauge T - 304 stainless steel, lustrous satin finish, StoneGuard undercoating for excellent noise control and SpecPlus edges for increased structural integrity and a clean, polished look.Premium grade T - 304 stainless steel StoneGuardTM undercoating over Super - Silencer pad SpecPlusTM edge Lustrous satin with highlighted rim Fits 30 sink base 3.5 Drain opening Supplied with cutout template, fasteners and instructions Complies with ASME A112.19.3 - 2000, UPC Lifetime Limited WarrantyADA Compliant: No Application: Undermount Bowl Depth: 9 Bowl Length (Left to Right): 21 Bowl Width(Front to Back): 15.75 Collection: Medallion Drain Included: Drain Included Faucet Holes: No Holes Gauge: 18 Length: 23-3 16 Material: Stainless Steel Number of Basins: Single Sink Length (Left to Right): 23.19 Sink Width (Front to Back): 17.94 Sound Insulated: Insulated Strainer Basket Included: Basket Included Type: Undermount Width: 23-3 16