Solution - 18 Gauge Stainless Steel Single Basin Rectangle - 23-1//2" x 18-1/2"Space is the prominent issue that bothers us when it comes to kitchen sinks. However, a rectangular undermount kitchen sink can help you with that issue. This is a 9 inches deep sink that gives you plenty of space for storing dirty dishes. In addition, the 304 grade stainless steel is efficient and offers a robust finish to your kitchen sinks. With that, your sink can bear the weight of heavy cooking pots. Moreover, a fine coating makes this piece