Brand Name: Fish WOW! *2x Kahle Hooks - Nickel.. *Hooks have 2 times the strength of a regular hook. *These hooks are made of Hi-Carbon steel and don't rust like most hooks. *Hollow points are slightly reversed to keep bait and catches secure. *Wide gap. *Turned-up ball eye. *Single style. *The following size guide is from the smallest to the biggest. #4, #2, #1, 2/0, 3/0, 4/0, 5/0, 6/0, 7/0.