These trays are designed to work with  ZR/SR-PS-3220-16, SR-PS-3220-OSD, SR/ZR-PS-3620-16, SR-PS-4220-16, SR-PS-6020-16 model sinks. This model has a black HDPE cuttingboard while the condiment servers are made from 304 Stainless Steel.   This particular model has 3 small round condiment dispenser bowls.