Gear extras can make diving easier, safer and more fun — we've compiled this list of scuba diving knives in our 2019 scuba diving Gear Buyers Guide to help you find the one that's best for you.

The latest addition to Spyderco’s Salt Series, the Native Salt 5 features a full-flat-ground blade crafted from LC200N – a martensitic steel that is completely immune to corrosion. Choose from a PlainEdge or a special SpyderEdge serrated cutting edge mounted in a bright yellow fiberglass-reinforced nylon handle. The bidirectional texturing ensures a secure grip.

Featuring a 100-percent rustproof, nitrogen-based, hollow-ground, H-1 steel blade, this new Salt Series knife comes with a traditional Wharncliffe blade and a PlainEdge cutting edge. The yellow fiberglass-reinforced nylon handle provides bidirectional texturing for a secure grip in the water and out. It is also equipped with a belt clip.

The nitrogen-based, hollow-ground, 100 percent rustproof H-1 steel Wharncliffe blade featuring a special SpyderEdge cutting edge highlights this new Salt Series knife. Like all Spyderco folding knives, it features a fiberglass-reinforced nylon handle with bidirectional texturing and belt clip, plus a trademark round hole in the blade for easy one-handed opening.