These Gamakatsu fly hooks are designed with the highest quality carbon steel for superb sharpness to withstand the rigors of saltwater angling. Tin plated and corrosion resistant. This is the traditional hook for bonefish and tarpon flies. Sizes: 6 (15 pack) 1/0, 4, 2, 1 (12 pack) 2/0, 3/0 (10 pack) Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Hooks.