It's constructed from high-quality, 16 gauge, type 304 stainless steel, making it more corrosion-resistant and durable than other sinks made from thinner, 18 gauge, type 430 stainless steel. This sink features two sturdy 18" drainboards so you can easily wash and dry dishes and utensils in one convenient location. It's dipped a minimum of 1/4" to facilitate better drainage, and the welded construction contributes to the long-lasting use and overall strength of this sink / drainboard combo. Designed for medium-duty use, this Regency sink is ideal for most restaurants.