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