This is the Atomic Aquatics Titanium Ti6 Scuba Diving Knife Blunt and Pointed Tip Dive Knife Options

Features

• Corrosion-resistant full-tang Titanium blade
• Elegantly curved 4-inch cutting edge
• Serrated edge and large line-cutting notch
• Lightweight locking sheath with push-button release
• Quick-adjust sheath straps
• Available with blunt or pointed tip

One of the biggest problems with dive knives is corrosion and Atomic solves that issue with a beautifully crafted and honed full-tang Titanium blade.