Color: Black nickel Material: High-carbon steel Sizes: 8#,6#,4#,2#,1#,1/0#,2/0#,3/0#,4/0#,6/0# Features: Crafted from ultra-sharp high-carbon steel, it features a wide hook gap and is complemented with a corrosion-resistant black nickel plating. When this short-shank fly hook is used with an articulated shank, the fly tied with it exhibits an extremely lifelike swimming motion.