The Mustad 39931NP-BN Demon Perfect Circle Inline Hooks are 2X Strong and feature a black nickel finish, perfect for tuna, sharks, bottomfish and more! Available in packs of 4 and 10 and sizes 10/0, 12/0, 14/0, and 16/0, these inline circle hooks from Mustad are ideal for all applications, whether you are fishing an upcoming tournament or heading out for a day of fun fishing.