Spyderco Pacific Salt knives offer the same time-tested usability as the best-selling Endura model, but machined from extremely 'sea-worthy' non-rusting alloys. The blade steel is H1 super-stainless alloy that does not react to chlorine while still holding a cutting edge comparable to other premium knife steels. Since H1 was developed specifically for use in and around water, rounding the tip of the Pacific Salt's blade better met the requirements of cutting chores associated with boating and fishing. The factory model number for the Pacific Salt is Spyderco C91.