Significantly increase your chances of landing the catch Color is black. Contains six per pack. Hook size is 5/0. Gamakatsu hooks are the corner stone of the Gamakatsu company, and are famous worldwide. Material and technology are what makes these hooks superior to all other brands. The Gamakatsu company, in conjunction with a material manufacturer, developed a material known as High Carbon steel specifically for the manufacture of fish hooks. This material not only contains a higher percentage of carbon, but also has very few impurities. As a result, Gamakatsu has earned Anglers trust throughout the world. The life of a fish hook is measured by the sharpness, hardness, and viscosity of the point. Using low quality materials results in points that are weak and not truly sharp. In order to use High Carbon steel, Gamakatsu developed a unique electronic tempering process which enables hooks to be tempered in a stable condition. As a result, Gamakatsu is able to manufacture consistently high quality, extremely sharp hooks in large quantities.