Best Dive Knife
- Stainless Steel Construction
- Point Drop Blade Design
- No Sheath Is Attached
- Blade Length Is 3.5
- Titanium Blade Construction
- Point Drop Tip Blade
- Sheath Is Attached
- Blade Length Is 5″
- Titanium Blade Construction
- Clip Point Blade Design
- Sheath & Straps Attached
- Blade Length Is 4.5″
A dive knife can save you from marine life animal attacks and work as a safety tool for your help. If you love scuba diving and often go for it, you need a knife to keep yourself safe from fish attacks, any trap, or entanglement. You also can perform any underwater jobs with the assistance of those knives.
The best dive knife is a multifunctional tool that is used for different purposes according to their requirements. Dive knives come with different materials and length variations depending on the budget and need. The reason behind the popularity of these knives is the simple design and lightweight structure to carry.
Here, we have reviewed some best options that are tested through their design, material, blade lengths, and product warranty. You can pick the right knife that can help you in underwater operations.
Name | Material | Blade Length | Auxiliaries | Prices & Details |
---|---|---|---|---|
TUSA FK-940 X-Ppert II Knife | Titanium | 3.3" | Sheath, Straps | Check On Amazon |
Atomic Aquatics Titanium Ti6 Knife | Titanium | 4" | Sheath, Straps | Check On Amazon |
BUBBA Pointed Dive Knife | Stainless Steel | 3.5" | None | Check On Amazon |
Scuba Choice Diving Knife | Titanium | 5" | Sheath | Check On Amazon |
Promate Scuba Dive Knife | Titanium | 4.3" | Sheath, Straps | Check On Amazon |
GEAR AID Tanu Dive Knife | Stainless Steel | 3" | Sheath | Check On Amazon |
Scubapro Mako Diving Knife | Titanium | 3.5" | Sheath | Check On Amazon |
Cressi U.S.A. Alligator Knife | 420 Stainless Steel | 4" | Sheath, Straps | Check On Amazon |
Spyderco Atlantic Knife | Stainless Steel | 3.6" | None | Check On Amazon |
XS Scuba FogCutter X Knife | 420 HC Steel | 4" | Sheath | Check On Amazon |
1. TUSA FK-940 X-Pert II Knife – Titanium Dive Knife
It is the best knife overall for use underwater due to its well-built structure and long-life design. It has all the necessary features that you will need for going underwater. The reasonable price and simple structure make it more attractive than any other. Its popularity is because it comes from a reputable company in the diving industry.
TUSA is a multipurpose knife that saves fishing attacks from traps, cutting ropes, and any other heavy-duty usage. If you are looking for a quality product for long-term use, it is the perfect choice. It features high quality and rigid material Titanium blade which is corrosive resistant.
The blade is sharp and can be used for heavy-duty jobs for a long time without becoming dull. It is a double-sided blade with teeth on one side and a straight surface on the second. The fantastic thing is that it can be easily dissembled and cleaned when needed. The blade is only 4.5”, but it is convenient and easy to use.
As it is very lightweight, you can easily manage it underwater. The blade snipe is serrated, which can open or clean any thinner surface. The thicker surface blade is best for cutting heavy ropes quickly. The handle of the best dive knife is 5” long, enough to provide a firm grip.
The color blade is silver, and the handle is black. It also features a knife sheath to cover and carry easily in marine boxes. The sheath also has a button lock system along with a strap that is used for easy management. Your knife will never be lost or fall due to negligence during work or emergency.
- Highly Corrosion Resistant Blade
- Elegant & Reliable Structure
- One Hand Manageable
- Lightweight & Affordable
- Featured Durable Strap
- Strap Is Difficult To Tie
2. Atomic Aquatics Ti6 Knife – Blunt Tip Dive Knife
If you are looking for a strong, high-quality, and long-lasting knife for diving purposes, you can use an Atomic Ti6 knife. It has robust technology with a push-button release system that provides an easy and quick way to use it. It is specially designed for scuba divers who frequently go inside the water for adventure.
It is tested with durability and quality, so it is highly recommended for quality product lovers. If anyone wants a full-size knife for their needs, it is their first choice. The blunt nose dive knife also features titanium material, which is tough, durable, and corrosive resistant. The blade color is silver, and the color of the handle is black.
The length of the blade and handle is 4”. It is also present in two different designs depending upon the requirement of uses. It works amazingly in challenging situations and is also best for heavy-duty work. The item weight is only 1.0 Pounds, which is very lightweight and easy to handle.
With a beautifully crafted handle and sharp blade, it is the best choice for your adventure or job. The titanium blade has both teeth and a straight design, which are sharp and can be easily cleaned. The edge can be easily removed due to the titanium pommel unscrewing structure.
Scuba divers have to perform different operations underwater, so they need a competent and quick operation knife as they can not stay here long. Due to having a sheath and push-button system, you can easily remove and use it. The sheath is a protective tool for comfortably carrying the best dive knife for kayaking.
With an easily adjustable strap, anyone can use it. It is equally helpful for both left-handed and right-handed. It is a little expensive, but the quality and advanced construction are worth the money.
- Can Last Long Without Rusting
- Ergonomic Design & Comfortable Structure
- Large Sharp Point Knife Blade
- Durable Sheath For Quick Adjustment
- Little Expensive
- Limited Color Collection
3. BUBBA Knife – Comfortable Dive Knife
Bubba diving knife is reliable and strong to use for cutting heavy items including any rope trap. It is also great for doing other fishing cutting jobs. Due to its simple design, it is a perfect pocket knife for quick and easy tasks. It comes from a famous brand that has an excellent reputation for making great titanium diving knives for years.
Ithas a sharp turning blade which is the best cleaning purpose. The full-size and best-fixed blade dive knife with an amazing handle grip provides an easy way to use in underwater jobs without any effort. The Bubba dive knife is made with long-lasting stainless-steel material which is durable and has corrosive resistance.
The lade color is black and the color of the handle is orange. The item weights are only 1.0 Pound with a blade length of 3.5” and the total length is 7.5”. The blade is small as compared to others but having quality and sharpening features make it attractive except this.
The blade is thin and you don’t need to share it even after heavy usage. The blade has a coating of titanium nitride which makes it more protective against rust and other environmental aspects. The blade is designed with a razor construction that helps you to cut tough and heavy items easily.
As the small dive knife is thick and robust, it is easy to use for performing heavy-duty tasks underwater like cutting thick ropes, avoiding any fish attack, and others. The best dive knife also comes with a lockable sheath that is used for safely storing the dive knife. It is also included a rubber strap for easy handling.
- Strong Durable Knife Handle
- Stainless Steel Material
- Enough Length Blade
- Stylish & Beautiful Handle
- Best For Easy & Quick Work
- Difficult To Carry Without Sheath
- Limited Size Variations
4. Scuba Choice Knife – Vintage Dive Knife
If you are looking for a large size diving knife for sharks with a sheath and strap then it is made for you. The construction of the blade is durable and tough which is worth the money. It is specially designed for cutting thick ropes, removing underwater traps, and other such kinds of items.
It is far better than paying hundreds of dollars for a low-quality knife to buy a durable knife at a reasonable price. It is a top-rated dive knife perfect for scuba divers and other fishermen who frequently go underwater for different purposes. It is made with titanium which is a durable and rust-resistant material.
The material helps you to use it for years with only little maintenance. The total length is 10.5” with a blade length of 5”. The size is larger than other scuba diving knives. It is highly recommended to use a titanium knife than to use stainless steel as it is more durable and tough. It is present in 8 color collections.
The construction is easy to disassemble so you can easily clean and maintain it. The blade has a spine design with a hollow surface near the handle. The blade has only one way to use for cutting or avoiding any marine attacks. The handle is made with plastic material which provides a strong grip and avoids any slippage from your hand.
The length of the handle is 5.5”. To use the knife, you need to simply push the button and it will be ready for you. The sheath is made of hard plastic to keep you safe while carrying the best dive knife for under 50$. It also comes with a dual strap that is used for easy handling and attaching the best dive knife for spearfishing to avoid losing.
- Large Size Knife
- Durable Sheath
- Hard & Corrosion Resistant Material
- 2-Step Knife Strap
- Cheap Dive Knife
- Little Heavy Than Others
5. Promate Knife – Military Dive Knife
It is the most attractive and stylish knife among others. The design of the handle, as well as the Promate titanium dive knife, is beautiful, and durable. If you are going for any underwater trip or outdoor adventure then it is a perfect gift for you. It is lightweight, easy to clean, and maintain is perfect for use in underwater jobs.
The durable material helps you to use the blade for years with its non-corrosive properties. It has various color collections which you can choose according to your favorite one. The safety sheath and extra straps will help you manage more efficiently. The blade is featured titanium and the handle has hard plastic as the main body material.
The actual blade length is 4.45” and the handle length is 5”. It has a strong grip due to the hard plastic handle. The item weight is only 0.8 Pound which is easy to manage. The pointed-out blade and straight spine are very helpful for performing multiple jobs except for underwater operations.
Built-in hammer design increases the versatility and overall performance. It has a full tang design with a serrated edge that helps you to cut different things without applying any effort and also increases your grip. Due to having a sharp design blade you can also use it as a screwdriver.
Promate dive knife comes with an acrylonitrile butadiene styrene plastic sheath that is perfect for safely carrying and avoiding accidental stabbing. For better control and safety, it has a double push-button system.
With two strong and tough rubber straps, you will be able to handle them more efficiently. Promate titanium dive knife is present in two designs which are sharp tip and blunt tip and it is recommended to use a sharp tip blade due to its versatility and efficiency.
- Extra Durable Sharp Edge Knife
- Featured Straps For Safe Carry
- Long-Lasting Sheath
- More Than 7 Color Collections
- Require Little Or No Maintenance
- Little Expensive As Others
- Need To Sharp Before Use
6. GEAR AID Knife – Small Dive Knife
It is another quick response dive knife that is used for personal safety and different jobs. It has a comfortable structure and easy operation system that will help you in any emergency. This best titanium dive knife has a blunt design that can be used as a screwdriver for opening or closing nuts.
It is specially designed for scuba divers to use for rescue purposes to save them from fish or any other marine attack. It has all the necessary features that are used in underwater operations. It is made with corrosive resistance and long-lasting material stainless steel. The handle has hard plastic as the main body material to provide a strong and slip-less grip.
It is present in only one blunt design. It is also coming with an adaptor which is used for attaching a mount or any inflator hose. The item weight is only 0.6 Pound with a blade size of 3” only. The scuba diving knife blade is smaller and also has limited practice as compared to other military dive knives.
This best dive knife under $50 has only two-color collections which are grey and nav green. It comes up with a sheath that featured a belt lock to ensure the safety of your body. The sheath work as a protective tool to carry it more safely to any place. It can be equally used for cutting big and smaller items and fish.
Due to having a strap you can easily adjust or maintain it in any place. Due to the B.C.D adaptor, you can easily mount it. The blade also featured a titanium coating which provides an extra layer against corrosion. The best dive knife is specially designed for saltwater and it can stay sharp for a maximum time even with heavy use.
- Carry Blunt Tip Blade
- Come With B.C.D Adaptor
- 2 Color Collections
- Extra Hard Durable Sheath
- Double Edge Blade
- Don’t Have Any Safe Gaurd For Hands
- Small Size Blade
7. Scubapro Mako Knife – Cheap Dive Knife
Scubapro is well known for its durability and long-life performance the blade is for scuba diving adventures or any other underwater usage. It is specially designed for scuba divers to use for their defense from any trap and entanglement. The blade hardness helps you to cut tough and thick surface items quickly.
With a heavy-duty plastic handle, you will be able to control yourself in a better way while carrying out different tasks. Due to its durable construction and excellent craftsmanship, you need only a little maintenance. It is multifunctional and can be used for other purposes like camping, hiking, fishing, and different sports.
The dive knife with leg strap is featured stainless steel for the blade and hard plastic for the handle and sheath to provide strength and long-lasting abilities. The blade is smaller as compared to others and it is only 3.5” long. The blade has two ways with one side straight and another side with teeth. The color is silver with a black handle.
It comes with an item’s weight of 0.4 Pound. One year product warranty will also cover any defects in the craftsmanship. If you are a sportsman or adventurer and frequently goes on different adventure underwater then it can be a perfect companion for you. The quick and sharp knife blade design help you to perform different task without any effort.
The locking mechanism will help you to control and use it more efficiently. It is also included a kit that is used for mounting on a BCD system. The blade edge provides a strong grip on your fingers and also keeps you comfortable while using. It is undoubtedly an excellent knife for scuba divers and other sports lovers.
- Multipurpose Diving Knife
- Durable & Tough Structure
- Thumb Gaurd To Avoid Slipping
- Large Size Handle With Adjustment Hook
- A Unique Locking Mechanism
- Leg Strap Is Too Small
- The Knife Does Not Lock Well In The Sheath
8. Cressi Alligator Scissor & Knife – Deep Sea Dive Knife
Cressi Skorpion dive knife is a multifunctional and unique design dive knife that can be used both as a knife and as a cutter. Due to having sharp blades and smooth edges you can easily cut anything without any effort. The design and construction of the best dive knife are different from others.
The most amazing thing about the best titanium knife is that it is also perfect for hiking, camping, traveling, trekking, and other adventures. It works equally in outdoor and underwater tasks. The strong grip provides comfort and convenience to the users. Your fingers will never get tired while using.
The best blunt tip dive knife is made from corrosive resistant stainless steel material which is capable of using a long time. The blade is 3.2” with 2 different designs which are blunt and point tip. It has a polished plastic handle which provides a strong grip and comfort. It has a short blade but other features make him a great choice for cutting anything.
The hard blade design with a sharp surface can be used for cutting the toughest items and ropes. It is very easy to operate and can be easily opened or closed without any effort. The product weight is only 0.6 Pound. It works as a cutter if you are going underwater to perform any work.
It will be great for helping you to remove any underwater traps or fishing attacks. The best spearfishing knife also comes with extra straps to attach the scuba diver knife to your legs. The Cressi dive knife handle has a hook to attach to the wall.
The raised plastic surface helps you to get a strong grip and keep safe your fingers while using. The ultra-durable sheath will keep your knife safe and help you to carry it easily. The best ankle knife color is grey. The budget is reasonable which is another benefit for the users.
- Japanese 420 HC Stainless Steel
- Both Works As Scissor & Knife
- Carry Strap & Belts Along With Sheath
- Special Treatment For Rust Prevention
- Little Expensive
- Heavier To Carry
9. Spyderco Atlantic Salt Knife – Serrated Dive Knife
It is a fully serrated blade with amazing quality and a stylish design. It has had amazing reviews and feedback from past buyers in the last four years. With high-quality material and affordable price, it is the best choice for scuba divers. It is well-made and provides a comfortable and strong grip to use during underwater jobs.
Spyderco dive knife is the most popular choice among serrated best dive knives due to its low price and extremely durable features. It is a fully functional knife and works best in any condition whether it is underwater or in any outdoor emergency. It is featured with H1 stainless steel material which is well known for its strength and performance.
Stainless steel provides ease of use, and sharpness for a long time and avoids any kind of corrosion even after heavy usage. It has a clip on its handle to adjust it in your pocket or at any other place. The handle is made with fiberglass which is also a strong material for long-lasting use. You can also control it by using a strap or a hook by attaching it to the Spyderco dive knife.
The handle provides you strong grip and reduces the force that you have to apply while cutting anything. The overall length is 8” with a blade length of 3.5”. The blade has featured a hole on the top side which can be used as a hook for attaching the best diving knife to anything.
This divers knife with sheath can easily fold so that is the reason it does not come with any sheath. A safety lock mechanism will help you to lock for easy cutting. The best dive knife is equally functional for both salt and fresh water fishes. The thickness of the blade is only 3mm and the weight of the product is 0.4 Pound.
- Durable Serrated Edge Blade
- Highly Rust Resistant Material
- Carry a Large Size of 8.8″
- Best For Emergency Or Survival
- Very Lightweight Structure
- Difficult To Adjust On Body
- Expensive Than Others
10. XS Scuba FogCutter X Knife – Durable Dive Knife
It is specially designed for multiple jobs both underwater and outdoor activities. It featured three tools in one. It is very effective, sharp design, and durable which makes him the best choice for adventurers and scuba divers. The unique design blade and handle provide better control and grip while doing anything.
It is present in different sizes and design variations which help you to choose according to your need. It is present in a serrated, sharp point and blunted design. It is featured high-quality and tough 420 stainless steel material. The material keeps it sharp and corrosive-free for a very long time.
The blade has 4.75” in size with a handle is 5.25”. The handle is made with hard material and provides a strong grip along with comfort and ease. The item weight is only 0.6 Pound. The structure is very easy to disassemble and clean. It has three parts that can be easily removed along with a fog cutter.
The blunt tip also allows you to use it as a screwdriver which enhances its working. The blade has a straight edge design with teeth on another side. The best scuba knife also featured rubber straps which are used for attaching to anything and avoiding accidental falls.
It also has easy to operate locking system which is used for controlling more efficiently. An integrated sheath will keep your good dive knife safe from any stabbing while you carrying it with you. It is also featured with a butt cap and an attachment hole to adjust. The budget is reasonable according to the quality and features.
- Featured 4 Design Variations
- Best For Cutting Tough Ropes
- Featured Both Straps & Sheath
- Featured Safe Gaurd For Hands
- Lockable Sheath Structure
- Need Proper Sharpening Before Usage
- Limited Color Collections
Buying Guide – Best Dive Knife
Before buying any dive knives, there are some factors that you need to consider. It will help you to understand your need for a better choice. There are various types of knives are present like serrated, blunt, and drop tips which also work in different ways from each other. The knives which we have reviewed here are specially designed for scuba divers.
Material & Design
Material and construction play a vital role in the long-term usage of knives. In extreme conditions, normal metal knives can get rusted or damaged due to various reasons. So, it is very important to have a knife with high-quality material and a durable structure. Most of the dive knives are made with stainless steel and titanium as they are durable and rust-resistant.
They will keep it sharp and useful for a very long time. Some of the knives also feature an external coating of a titanium material which increases its performance against corrosion. So, it is highly recommended to choose a knife with titanium material because it has more toughness and durability than stainless steel.
Blade & Handle Length
Blade length can help cut anything easily as you know large size gears need less force as compared to small sizes. A good knife blade length should be between 3.5” to 8”. You can easily choose the required knife length according to your requirements. It is enough for cutting ropes, traps, and any other thick surface items.
There is also a disadvantage of buying large-size tools like them will increase the cost and it will also be difficult to handle them with care. If you are a new one then you should buy an average size knife which you can also upgrade later.
Blade Type
Another thing you need to consider is the type of best dive knife. There are different designs of knives are present including serrated, blunt, and sharp tip knives. Of these knives, a blunt tip knife is considered as most effective as it can be used as a screwdriver.
It is also safe than others as a blunt knife will reduce the risk of stabbing your body part while carrying it to any place. While on the other hand sharp tip knife is very helpful in underwater operations including saving you from any fish attacks. It is also helpful for easy cutting tough and thick ropes.
Frequently Asked Questions
Where To Wear Dive Knife?
It is highly recommended to wear a dive knife on your leg above the ankle as you can easily access it here. You can also attach it to your arm with a strap and it will be closer to your hand than your leg. The most important in attaching is access to your hand in emergency cases.
Why Do You Need a Dive Knife?
A dive knife is extremely important for scuba divers as it will help them to stay safe during their adventure or any job. It is used for cutting heavy ropes and removing fish traps and entanglement. They are also equally important in doing underwater jobs with various kinds of dive knives.
Why Are Dive Knives Blunt?
Having a blunt tip knife helps save you from accidental stabbing. It is best if you don’t want to use it for hunting, survival as well as other self-defense purposes. As scuba diving knives are mostly used for enjoying different marine life trips so there is no need for any spear or point tip knives. These knives are commonly used for prying, digging, hacking, and chiseling.
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