Spyderco Salt 2 Folding KnifeThe Salt 1 folding knife was a revolutionary pocket sized cutting tool that combined the 100% rustproof properties of nitrogen based H 1 steel with the high performance features and benefits of Spydercos third generation Delica design. Although it earned an extremely devoted following, in some ways it was outpaced by some of the design improvements that make our Delica 4 design even better. Consistent with our obsession with Constant Quality