This Glass Sink Mold can accommodate up to a 22" blank, has smooth transitioned sides for a beautiful shape, a gentley flared lip to help keep you glass on center when slumping, a good bottom curvature so it drains prperly and is made from durable 148 guage 300 series stainless steel. This mold has a 22" diameter and 7.5" tall. It produces a sink that is approximately 17" in diameter and 5" tall.