Stainless steel wall-mounted hand sink with backsplash, 3 1/2" drain that adapts to 1 1/2" drain pipe, mounting bracket and a single 1" key hole in the backsplash for a single hole wall mount faucet. Certified toASME A112.19.3 / CSA B45.4 and ASME A112.18.2 / CSA B125.1.