D O A Lures Shrimp Saltwater Soft Bait - The durability and versatility of D.O.A. Shrimp is still "the gold standard" in artificial lures. From Bass Tournaments in freshwater to Redfish tournaments in saltwater, D.O.A. Lures are proven to catch more fish. The difference between the 3in and 4in shrimp, the 3in shrimp weighs 1/4oz; the 4in shrimp weighs 1/2oz, and is ideal for casting with plug gear or in windy conditions.