The ORIGINAL D.O.A. 3" Shrimp and its big brother, 4" Shrimp. The durability and versatility of D.O.A. Shrimp is still "the gold standard" in artificial lures. The difference between the 3" & 4" shrimp, 3" shrimp weighs 1/4 oz; the 4" shrimp weighs 1/2 oz.