
There are many things to consider when buying a diving knife. This article will review the features of various diving knives, including the Aqua-Lung Argonauts, Tusa X-Pert 2s and Cressi Alligators. The knife sheath is a very important part of a diving knife. The sheath should fit tightly and have a retainer to prevent the knife from accidentally coming out.
Aqua Lung Argonaut
When choosing a diving knife, the quality of the blade is one of the most important factors. The Aqua Leng Argonaut is made of 4mm Titanium, which is nearly rustproof. The blade is coated with a black Electro Deposit Primer, making it highly resistant to corrosion. It is also extremely durable, making it a great choice for diving. The blade is sharp with a deep, serrated edge.
Tusa IX-Pert 2.
The stainless steel blade for the Tusa X-Pert II diving knives is made from high-quality 420 steel. It also has a line cutter. This diving knife features a secure sheath with a one-touch release mechanism. It measures 9 inches overall. For safety, the knife features a comfortable ergonomic grip as well as a single-button sheath lock.
Scuba Pro Mako
Scuba Pro Mako Titanium Dive Knife: Made of hardened Titanium, the knife is corrosion-resistant and long-lasting. The multi-functional blade features a notch that can be adjusted for line cutting, bottle opener, and a tanto knife tip. It can be used as a diving knife as the sheath attaches to your BCD. Scubapro Mako Titanium Dive Knife offers more features than the standard diving knife.

Underwater Kinetics
If you're looking for a good diving knife, look no further than the Underwater Kinetics of Blue Tang Dive Knife. The multipurpose knife is made from proprietary steel. It features a drop-point tip for puncturing, and a serrated cutting edge. This multipurpose knife is capable of cutting, and also features a hooked-edge cutter and a signaling pommel made from stainless-steel.