
If you're interested in buying a diving knife, there are several things you need to know. This article will cover the main features of many different diving knives such as the Aqua Lung Argonaut (Tusa X-Pert 2), Cressi Alligator (Cressi Alligator), and Tusa X-Pert 2 (Tusa X-Pert 2). A diving knife's knife sheath can be a crucial part. The sheath should fit tightly and have a retainer to prevent the knife from accidentally coming out.
Aqua Lung Argonaut
The quality of the diving knife is a key factor in choosing the right one. The Aqua Leng Argonaut is made of 4mm Titanium, which is nearly rustproof. The blade has been coated with an Electro Deposit Primer in black, which makes it resistant to corrosion. The blade is also very durable making it an excellent choice when diving. The blade is very sharp and has a serrated edge that is wide and deep.
Tusa X -Pert 2
The stainless steel blade for the Tusa X-Pert II diving knives is made from high-quality 420 steel. It also features a line-cutter. This diving knife features an easy-to-use, secure sheath. It measures nine inches in length. It has an ergonomic grip and a single button sheath lock to ensure safety.
Scuba Pro Mako
The Scuba Pro Mako Titanium Dive Knife is made of hardened titanium, offering lifelong corrosion-free cutting performance. The multi-functional blade features a notch that can be adjusted for line cutting, bottle opener, and a tanto knife tip. It can also serve as a diving blade, thanks to its sheath that connects to your BCD. Scubapro Mako Titanium Dive Knife offers more features than the standard diving knife.

Underwater Kinetics
The Underwater Kinetics Blue Tang Dive Knife is the best choice for anyone looking for a quality diving knife. This multipurpose knife, made from proprietary steel, has a dropped-point tip to puncture and a serrated blade for cutting. In addition to its cutting capabilities, it also has a hooked-edge line cutter and a stainless-steel signaling pommel.