This is a heavy wire, down eyed streamer hook. Specifically designed for big fish and deep water. NS115 works well for flies with dumbbell eyes fished on or close to the bottom.Black Nickle FinishAvailable in size 2 – 8Chemically sharpened with small barb18 hooks per package# 8 Hook-length: 19.50 mm, Hook-gap: 6.20 mm, Wire diameter: 0.90 mm, Finish: Black-Nickel# 6 Hook-length: 23.50 mm, Hook-gap: 8.00 mm, Wire diameter: 0.95 mm, Finish: Black-Nickel# 4 Hook-length: 27.00 mm, Hook-gap: 9.20 mm, Wire diameter: 1.10 mm, Finish: Black-Nickel# 2 Hook-length: 31.50 mm, Hook-gap: 11.00 mm, Wire diameter: 1.25 mm, Finish: Black-Nickel