4 Glow Hooks 2 Normal Single Hooks Target Fish Species: * Sea Cherry Salmon * Dolly Varden Trout * Atka Mackerel * Mackerel * Japanese Amberjack (small to medium size) * Chum Salmon Basically, it works for any fish in Hokkaido. These are handmade, so there are individual differences in each one. We have conducted tests and have many reports of successful catches. Please feel free to contact us if you are interested in bulk purchases!