The corrosion is a big problem, because an hook becomes: very weak unable to penetrate in depth unable to hold the preyThis hook has been studied and tested, and even if it is very microscopic, it is subject to chemical treatments which weaken the possibility to resist to the corrosion, and the same material used, given that they have to ensure high performances in resistance and durability, they cannot be inoxidables.The NS Black Finish is a special chemical treatment which do not increase the size of the hook so the ones who practice bottom jigging technique using live baits or big game, can feel relaxed.Surfcasting and Beach ledgering enthusiasts will appreciate the fact that their favourite hook will be everlasting when they will use with a lot of baits.This is an hook which contains a lot of features: V-Head technologies to increase knot hold, A1-Hard steel to ensure resistance also against sea basses and sea breams, and a shape which allow the hook of a lot of fishes as predators or other bottom-living fishes.