5 Best Dive Knives for Safety and Style Underwater

Get ready to embark on an exciting journey that delves into the world of diving knives. In this article, we explore top-rated tools that cater to both novice and experienced divers, offering unmatched precision and efficiency underwater. By the end of this roundup, you’ll be well-equipped to make an informed decision on which dive knife best fits your needs. Join us as we uncover the finest divers’ knives on the market today.

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Reviews

TEKNA Ocean Edge Dive Knife: Versatile Design for Underwater Adventures

Dive into the depths with the Tekna Ocean Edge Dive Knife, a versatile and robust choice for divers that boasts a strong one-piece construction. With a diverse range of seven blade styles to select from, you can find the ideal fit for your underwater escapades. Each knife comes equipped with a full-body tang skeleton handle, crafted from dependable 420HC stainless steel, offering lasting durability.

The ABS Speed-Lok sheath and Velcro leg straps provide a speedy and hassle-free attachment system. However, it’s worth mentioning that some reviewers have noted the need for sharpening the blade prior to use.

Xs Scuba Neuro Stainless Steel Dive Knife in Grey

The Xs Scuba Neuro 304 Stainless Steel Dive Knife boasts a sharp and durable stainless steel blade, perfect for your underwater adventures. Its clip point design adds a unique touch to its appearance. The knife is equipped with a self-locking sheath that ensures the utmost safety when not in use.

The straps provided are made of rubber for a secure fit, and can be quickly adjusted with the quick release buckles. While this knife offers robust functionality, it might show some signs of wear and scratches as it has been previously used.

Koah Shortie Dive Knife with Magnetic Sheath

The Koah Shortie Dive Knife is an outstanding example of Italian artistry, featuring a 420 Heat-treated steel blade and a protective Teflon coating.

One exceptional characteristic is the Koah Magnetic Sheath, which holds the blade in place using two powerful rare-earth magnets rather than a conventional rubber strap. Furthermore, the knife arrives with adjustable rubber mount straps and clips, making it simple to secure the knife on your arms or legs for hassle-free usage.

Stryker Dive Knife with 420 Stainless Steel Blade and Rubber Leg Straps

Imagine diving deep into the ocean, surrounded by all sorts of sea life. As I swim closer to the rocky shores, I come across an ominous-looking creature that seems to be eyeing me nervously. It’s a big lobster, ready to defend its home with its claws. Suddenly, I feel more nervous as a scallop darts across my path, attracting the attention of the lobster. Instinctively, without even taking it out of my pants, I grab the XS Scuba Stryker Drop Point Knife - my new dive buddy.

The Stryker Knife by XS Scuba is not your average blade - it boasts a fixed blade with a blunt or pointed tip. Made from Chromate Treated 420 Stainless Steel, it ensures that my underwater adventures remain rust-free. The blade, which measures 4.75 inches, is a part of an overall length of 10.75 inches - just the perfect size to handle with ease, whether it’s in the water or on land.

As part of the package, you also get rubber leg straps with quick-release buckles. They’re crucial when you need to move quickly between dives, especially if you’re facing a life-or-death situation like I did with that pesky lobster. The straps secure the knife tightly to your leg, leaving your hands free to engage in any underwater activities.

However, just like all good things, there is a downside. The clips on the sheath occasionally prove to be weak and eventually fail. Yet, the pros far outweigh the cons, and I remain grateful for the Stryker Knife’s robust build and smooth operation. I love how easy it is to retrieve from its sheath, and its striking design has earned its place as a favorite for many underwater warriors like me.

GASHER Scuba Diving Knife: Versatile Lightweight Dive Equipment

As a scuba diving enthusiast, I recently had the chance to try out the GASHER Scuba Diving Knife. This lightweight diving equipment was an all-in-one solution for my underwater adventures, making it perfect for spearfishing, snorkeling, and even hunting or rescue missions. The razor-sharp edges allowed me to tackle various tasks, both in the water and on land.

The quick release knife sheath and adjustable leg straps made this dive knife incredibly easy to use and carry around comfortably. It was always within easy reach, whether I was exploring the depths of the ocean or navigating through rough waters.

While using the knife, I appreciated its high-quality stainless steel construction, which ensured it was both corrosion-resistant and rust-proof. The straight-edged blade and serrated side were crucial in performing various functions, such as cutting through fishing lines or rope.

One minor issue I encountered was the need to clean and dry the knife immediately after use. As soon as I took it out of the water, I would rinse it thoroughly and gently pat it down to ensure no salt accumulation remained. This small step helped to enhance the longevity and functionality of the knife.

Overall, the GASHER Scuba Diving Knife was a versatile and reliable tool for my underwater experiences. Its lightweight design, sharp edges, and quick-release sheath made it an essential part of my gear, allowing me to tackle a variety of tasks with ease.

Tusa X-Pert II Yellow Blunt Dive Knife

The Tusa X-Pert II Knife offers a unique and practical solution for divers looking for a versatile tool. The highlight of this knife is the blunt yellow blade, available in two styles: drop point (FK-910) and blunt tip (FK-920), made from 420 stainless steel. Both versions feature a serrated edge and a line cutter for added functionality.

The FK-910 and FK-920 models measure 10 inches in total length and come with a 4.5-inch blade. The sheath provides a secure locking mechanism, making it both easy to release and deploy the knife. The single-button release adds convenience for users, especially in emergencies.

The blunt-tipped X-Pert II is designed with a durable rubber and plastic ergonomic grip that provides a comfortable and secure hold, even with gloves on. The newly redesigned grip also features a counterweight for better balance and control. This knife truly stands out for its combination of quality materials, practical design, and ease of use underwater.

With a rating of 4.7 and 12 reviews, the Tusa X-Pert II Knife has proven to be a reliable and well-received choice for divers seeking a versatile and sharp tool for their expeditions.

Seac Rapid Dive Knife

The Seac Rapid Knife, crafted for underwater enthusiasts, boasts an AISI 420 tempered steel blade with a line cutter. Its shock-proof plastic sheath features an updated Easy Lock system, while the dual-material handle offers ergonomic comfort with a useful end-cap hammer.

Measuring 9.05 inches in total, the blade’s serrated and smooth edges are perfect for various diving activities. The Seac Rapid’s rigid scabbard allows for easy attachment on both sides, and the included straps ensure secure fastening to the arm or calf.

Though rinsing and drying the knife and scabbard after each dive is required, this diving knife is an ideal choice for scuba diving, freediving, and spearfishing.

High-Quality Performance Dive Knife for Survival

The Myerchin Generation 2 Safety Dive Knife is a high-quality product crafted from top-notch materials, boasting a sleek and durable design. Designed for optimal performance, this dive knife is perfect for adventurers who need a reliable partner underwater. Made in China, the 8 1/2” overall knife features a 4 1/8” partially serrated sheep foot blade with a shackle slot, making it a versatile tool for various situations.

Constructed with one-piece German Pro Marine stainless steel and equipped with finger grooves that accommodate three common metric wrenches, this knife is both functional and stylish. Survivalists will appreciate the option to wrap the handle with a 1/8” parachute cord, while the lanyard hole and black nylon belt sheath add convenient accessories for safe storage. Each knife comes with a serial number and is hang packaged for easy display and transportation.

This dive knife is a must-have for any serious adventurer.

Tusa X-Pert II Black Dive Knife Drop Point

The Tusa X-Pert II Knife Drop Point Black is an impressive dive companion, engineered for durability and easy maintenance. Made of high-quality 420 Stainless Steel that’s resistant to corrosion, this knife is perfect for your next underwater adventure.

Whether you choose the FK-910 with a drop point blade or the FK-920 with a blunt tip, you’ll enjoy the versatility of this tool. A combination of a sharp serrated edge, a functional line cutter, and a straight edge, this knife truly excels in its application for divers.

Ergonomically designed to be comfortable in your hand, the handle features a counterweight for added control and balance. It also allows for a safe and quick release when wearing it with the sheath.

Reviews from users show that this knife is well-designed, well-proportioned, and sharp out of the box, making it a great addition to their diving gear. While a few reviewers have noted minor issues like the size of the handle and potential rusting, overall the Tusa X-Pert II Knife Drop Point Black performs exceptionally well and deserves a spot in your diving kit.

Open Box Seac Samurai Tactical Dive Knife in Red

This dive knife is perfect for the serious diver or spear fisher. It comes with a shockproof plastic sheath that includes a wrist strap and traditional rubber loop retainer for added convenience. The blade, made of hardened and polished stainless steel for maximum corrosion resistance, features a stiletto tip with a straight and partially serrated edge on one side.

This durable plastic handle has a hilt guard for added safety and an eyelet for attaching a line or lanyard if needed. The knife measures 5.9 inches (150 mm) overall with a 2.76-inch (70 mm) blade length.

However, it’s worth mentioning that this is an open box offer, but rest assured, it’s in great condition with no imperfections. Overall, the Seac Samurai Dive Knife Red is a reliable and versatile tool for those who enjoy spending time under the sea.

Buyer’s Guide

When it comes to diving, safety is always a top priority. One essential piece of equipment that divers rely on is a dive knife. A dive knife is not just an ordinary tool for cutting ropes or releasing scuba gear; it’s also a crucial safety item in case of an emergency. In this buyer’s guide, we’ll discuss the essential features and considerations when choosing a dive knife to ensure your diving adventures are both safe and enjoyable.

Blade Material

The blade material plays a significant role in the performance and durability of a dive knife. Dive knives come with different blade materials such as stainless steel, carbon steel, high-carbon steel, or titanium. Each material has its own advantages and disadvantages. Stainless steel blades are corrosion-resistant but may be less sturdy compared to others. Carbon steel blades offer high edge retention and are excellent for cutting thick ropes, but they require regular maintenance to prevent rust. High-carbon steel blades are strong and hold their edge well, but they are prone to corrosion. Titanium blades are known for their lightweight and corrosion-resistance, making them a great choice for divers who need to carry less equipment. Choose a blade material that best suits your needs and dive conditions.

Blade Shape and Size

The blade shape and size can affect the cutting performance and maneuverability of a dive knife. Two popular blade shapes for dive knives are drop-point and clip-point. Drop-point blades have a curved tip, which provides better control and precision when cutting, while clip-point blades have a more pointed tip, making it easy to pierce objects. As for the blade size, a larger blade is generally better for cutting, but it can be more challenging to maneuver in tight spaces. Smaller blades have better control and mobility but may struggle to cut through thick materials. Consider your priority between cutting power and maneuverability when choosing a blade shape and size.

Handle Material and Design

The handle material and design are crucial factors when selecting a dive knife. Dive knives come with different handle materials such as plastic, rubber, or textured aluminum. Each material provides its own benefits. Plastic handles are lightweight and inexpensive, but they may be slippery when wet. Rubber handles provide a better grip but may not be as durable. Textured aluminum handles are lightweight, durable, and offer great grip in any conditions. Additionally, check for ergonomic designs that allow for a comfortable and secure grip even when wearing diving gloves.

Locking Mechanism

When diving, the last thing you want is for your dive knife to accidentally open and injure you or someone else. A locking mechanism is a crucial safety feature to look for in a dive knife. There are two primary types of locking mechanisms: liner lock and frame lock. Liner locks are simpler and more budget-friendly, but they may not be as secure as frame locks. Frame locks, on the other hand, engage the blade at multiple points, providing a more secure locking mechanism. Consider opting for a dive knife with a sturdy frame lock mechanism for added safety.

FAQ

What is a dive knife?

A dive knife is an indispensable tool specifically designed for underwater use. Perfect for divers and sailors, it can be employed in a variety of tasks such as cutting ropes, diving equipment, and even underwater cutting through coral and other obstacles. With a range of sizes, shapes, and materials available, there’s a dive knife to suit every need and preference.

Stainless steel is the most popular material for dive knives due to its resistance to saltwater, corrosion, and common underwater materials. These knives boast a variety of blade shapes, such as drop-point, spear, and clip-point, each offering distinct cutting capabilities and edge retention. When it comes to a dive knife, it’s a valuable asset to have in your diving or sailing gear.

How do I choose the right dive knife?

Selecting the ideal dive knife depends on your personal preferences and requirements. Factors to consider include blade size and shape, overall length, handle materials, locking mechanism, and weight. Drop-point, spear, and clip-point blades are popular options, each featuring unique cutting abilities and edge retention.

When it comes to handle materials, rubber, TPR, or Kydex can provide a comfortable grip underwater. For added safety, locking mechanisms like latch or spring-lock ensure that the blade stays secure during your dive. Lastly, consider a dive knife’s weight, as a heavy one might be more cumbersome in underwater conditions. Choose a dive knife that best caters to your needs and preferences for underwater activities.

What are the advantages of having a dive knife?

A dive knife comes with several advantages for divers and sailors: versatility, safety, and convenience. Versatility comes from its ability to handle various underwater tasks, such as cutting through ropes, lines, and other materials. Safety is assured by its high-quality stainless steel construction, making it resistant to saltwater and corrosion, ensuring its functionality for extended periods.

Convenience is offered through the dive knife’s compact design and the ability to store it on your wrist or in a diving suit pocket. These attributes make the dive knife an essential tool for underwater endeavors, ensuring you’re always prepared for any situation encountered during your dive or sailing experience.

How do I maintain my dive knife?

Proper maintenance is essential to ensure your dive knife’s longevity and performance underwater. Follow these guidelines for optimal maintenance: rinse the knife with freshwater regularly to remove salt, sand, and other debris; thoroughly dry it; apply a rust-inhibiting lubricant to keep the blade and hinge smooth; and store it properly in a protective sheath or case to prevent damage.

Additionally, periodically check the locking mechanism to ensure it’s functioning correctly, and sharpen the blade as needed using a high-quality sharpening stone. By following these maintenance steps, you can guarantee that your dive knife remains a reliable and effective tool for your underwater activities.

What are the differences between a dive knife and a survival knife?

Although a dive knife and a survival knife serve similar functions, they have distinct differences: a dive knife is specifically designed for underwater use, while a survival knife can be used in various environments and terrain. Key differences include blade shape, size, and materials. Dive knives are generally smaller with shorter blades, better suited for underwater tasks like cutting ropes and lines. They’re crafted from stainless steel, which is resistant to saltwater and corrosion.

Survival knives, on the other hand, are larger with longer blades, designed for general outdoor use, such as camping, hiking, and bushcraft. They’re typically made from high-carbon steel, which is tougher and more durable but requires regular maintenance. Each knife type serves its specific purpose, and the choice depends on the user’s preference and the environment in which they will be using the knife.

How much do dive knives typically cost?

Dive knife prices can fluctuate depending on the brand, materials, and specific features. Generally, you can find a good-quality dive knife for around $50 to $100. Mid-range options usually start at around $70 to $80 and reach up to $150. High-end dive knives, featuring advanced materials and locking systems, can cost anywhere from $150 to over $200. However, prices may vary based on where you purchase the knife and if there are any sales or discounts available.

When considering the cost of a dive knife, factor in the materials used, blade size and shape, locking mechanisms, and any additional features that may be valuable to you. Additionally, consider the knife’s warranty and customer support options, as these can help ensure a positive experience and provide peace of mind with your purchase.

As an Amazon Associate I receive compensation from qualifying purchases.