Jarvis Walker Duratuff Kirby Hooks are of the classic design and feature quality materials and construction for years of use.Anglers around the world have been using kirby hooks for generations. This is probably one of the most successful hook designs in history. The ratio of shaft to curve that the Jarvis Walker Duratuff Kirby Hooks feature is the reason it is so good at hooking the corner of a fish mouth. Jarvis Walker Duratuff Kirby Hooks make getting a classic hook into your tackle easy.