Suteki Yamai SPT-503 Plugging Double Rigged Assist Hook Size 4/0 (0371)Double rigged assist hook designed for plugging applications. Features a 4 0 size with a strong, corrosion resistant black nickel coating. The hook has a straight point and is built on a medium wire shank for durability under pressure. Includes two offset hooks attached to a single split ring for secure lure attachment. Wire gauge measures 0. 0371 inches. TARGET USE: Plugging for large predatory fish such as tuna or amberjack