The 5 Best Scuba Dive Knives Of 2020

Dive knives are specially designed blades which are mainly used underwater. Some of these tools are not knives but a combination of knives and scissors. They are mostly used by professional swimmers, fishers, as well as all other people engaged in water activities. We have a lot to talk about important things for these tools, but first, let’s review the best scuba dive knives.

Comparisson Table

Scubapro Mako Titanium Knife for Scuba Diving

by All-Knives
3.5 inches long blade, titanium frame, you also get a sheath
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Cressi Alligator Scissor & Knife

by All-Knives
Scissor & knife in one, overall length is 6.5 inches,420 stainless steel blade
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Cressi Borg Scuba Dive Blade

by All-Knives
Pointed and blunt tip, overall length is 10.4 inches, made of 304 Japanese stainless steel
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Promate Snorkel Titanium Knife

by All-Knives
Titanium blade, full lengthiness is 9.45 inches, coming with sheath
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Scuba Choice Dive Knife Blunt Tip

by All-Knives
Blunt knife blade, overall longitude is around 7 inches, 420 steel
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Scubapro Mako titanium diving knife

This grey Scubapro Mako knife for diving is made of high-quality titanium

Overview

by All-Knives

We will start the list with a diving knife, for which we think is a little underrated. It has excellent features, but people pay little attention to that. So, we put it on the list to prove to you how good this dive knife is.

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Pros
Elegant
Good grip
Cons
Nothing

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First, to mention that this is a titanium dive knife, it means that it belongs to the best and the highest quality knives. Is not just a blade made of titanium, and the handle is also. That has been done to improve endurance and durability. The blade is 3.5 inches long and has several types of edge on it. The first type is the straight edge; this is good for chopping food. Second is serrated; this blade is suitable for slicing cuts and excellent for cutting harsh surfaces. And the third thing is the notch; it is the more aggressive edge of these three; it is best for cutting nets and ropes.

We mentioned earlier that the handle material is titanium, which is wrapped in rubber to improve grip and comfort. However, the handle is excellent, comfortable, and it won’t slip out of your hand ever.

 

Cressi Alligator scissor & knife for scuba diving

Alligator Scissor & Knife made by cressi is an excellent tool for pro fishermans

Overview

by All-Knives

This tool is not a knife. This is a blend of dive knife and scissors into one. In our opinion, if you are a fisherman, this is the best option for you. Because Alligator Scissor & Knife can do all jobs in and out of the water, also, it can be used for self defense, spearfishing, netting, and even fish cleaning.

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Pros
Multi-purpose
Very sharp
Cons
A bit awkward

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This tool is built-in sensors, which means these are scissors that have a blade like a knife. Cressi made a blade and the entire frame from high quality Japanese 420 stainless steel. In the picture seems that the blade is very long, but it is only 2 inches long. But trust us, this is a great length for this tool.

At the end of the handle, there is a lever that closes the scissors. When the scissors close, they look entirely like a dive knife. You can use this tool in this way if it’s easier for you, but it may bother you with a slightly wider handle. As we said, the handle is titanium and wrapped with rubber and plastic, which will provide you comfort and excellent grip.

 

Cressi Borg scuba diving blade

Cressi Borg is the one of the best knives for scuba diving

Overview

by All-Knives

Another Cressi diving knife on the list. This is one very cool dive knife which is a lot used by professional divers. Its length is 10.4 inches, which makes it the longest knife on the list. You also have the option to buy handle in grey, green and orange. Also, you can buy a sheath for it.

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Pros
Pointed & Blunt Tip
Cons
Nothing extra

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Now what we will say is very important. You have the option to choose between a blunt and pointed blade. The pointed tip is much better for piercing, but the choice is yours. Also, this blade has two types of edges. Those two are straight and serrated, but also have a notch that can serve as a bottle opener. And Cressi make the blade of 304 Japanese stainless steel and is 5.5 inches long.

The handle is specially designed to keep you comfortable and to have a good grip even when wearing diving gloves. The handle is separated from the blade with a technopolymer thumb tab. At the end of the handle is a glass breaker that you may need some time.

 

Promate Snorkel titanium dive knife with sheath

Promate Snorkel scuba knife has pointed blade made of titanium

Overview

by All-Knives

This is the best-selling dive knife on the list. This Promate knife looks a lot like a previous knife, but it has some different features. And best of all, you have ten different designs to choose from.

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Pros
Excellent blade
Fantastic quality
Cons
Nothing extra

More Information

You could buy the previous dive knife with a blunt or pointed blade, while this knife you can buy with a pointed blade. Also, this titanium dive knife has a similar edge to the previous one. It has a straight edge, serrated edge and notch. The notch is located on the upper edge, as with the previous one. However, the overall dive knife length is 9.45 inches, which makes it the second largest on the list, while the blade is 4.5 inches long.

In our opinion, this is a much better handle than the rest. The handle is fully wrapped with rubber, on its end, there is glass breaker with a hole for lanyard. Also, with the diving knife comes a sheath which is very lightweight and has an excellent knife lock function so you will never lose a blade.

 

Scuba Choice dive knife

Scuba Choice scuba dive knife has blade with blunt edge type

Overview

by All-Knives

We got to the last dive knife which was made by Scuba Choice. The knife looks pretty small in the picture, but trust us, it’s an average length, and it’s incredibly good. So let’s talk about why it is a good option for you.

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Pros
High-quality
Blunt blade
Cons
Nothing

More Information

You have probably noticed that the blade is a blunt type. Unfortunately, you don’t have options to choose other point types. But some of you don’t know that blunt type doesn’t mean dull. That top is very sharp, but its shape looks dull. The blade has a straight and serrated edge, and there is a notch on a straight side. The blade material is 420 Stainless Steel, and it is just 2.3 inches long.

Scuba Choice made nylon handle that provides excellent grip and comfort. It is long 4.7 inches while the whole dive knife is 7 inches long. At the end of the handle is a glass breaker that has a hole for the lanyard. And you also get high-quality sheath for knife carrying.

Knives for scuba diving buyer’s guide

Dive knives, as well as dive flashlights, have a lot of things that are important for every diver. If you want to know all about scuba knives, then read this review to the end.

We present you the best buyer’s guide video.

1. Best blade materials for dive knife

               Titanium diving knife

Titanium is by far the most popular blade material. It seems to prove best for cutting, durability and longevity. In essence, these are the most critical factors that every material should provide to the user. However, titanium is not without reason the best material for diving knives. It has proven to be good for underwater use because unlike other materials; it is itself resistant to corrosion and does not require constant maintenance. The customers said the same thing as we, which is that titanium is the best material for scuba diving knives.

               Steel

After titanium, steel is the best material. It’s not quite like it, but it’s pretty good. Its disadvantages regarding titanium blade are as follows: less corrosion resistance, less sharp underwater, faster blunting but much easier to maintain than the previous one. But don’t worry, our knives are mostly made of Japanese steel, which means the quality is a little higher than the other steel types.

2. Blade point tip

               Pointed tip

The pointed blade is the most popular point type for all types of knives. Its advantages are next: it is much sharper than the blunt tip and has bigger cutting power. But the downside is that this tip dulls quickly, and it takes much maintenance. Indeed, that will depend on the blade material

               Blunt tip

The blunt blade type is common of this type of scuba knife. But many people are mistaken and think blunt mean dull. But the blunt is just as sharp as every other point. Its disadvantage is that it is not quite penetrating as a point, but its advantage is that it is slower dulling and does not require constant maintenance. By the way, it’s pretty good at cleaning fish.

There are two blade types of dive knife, pointed and blunt tip

3. Edge types of dive knives

               Straight edge

Straight edge is the most common type of blade edge. It is most popular on boot knives. Because its advantage is that it is somehow much sharper than others. It is suitable for cutting food and cleaning fish. You can also easily injure yourself, so be careful.

               Serrated dive knife edge

The serrated edge is less popular than a straight edge. Rarely what kind of dive knife has this edge. Its advantage is that it is better at cutting hard or harsh surfaces. And the disadvantage is that it will be difficult for you to cut soft materials. But don’t worry, most of our diving knives have both types of edges on it.

4. Best handle materials

               Rubber diving knife handle

Rubber is by far the most popular handle material for scuba knives. The best thing is that it is very comfortable and does not slip out of hand. Of course, there are more good things like low cost, easy to replace and long-lasting. In essence, always choose rubber as a handle material.

               Plastic diving knife grip

If you can’t get a knife with a rubber handle, then get one with plastic. Yes, plastic is the second most popular handle material. Not comfortable as rubber, but if you find good quality plastic, then it will be comfortable. It is also very resistant to external conditions, long-lasting and easy to maintain.

               Leather and bone

You may wonder why we put leather and bone as a handle materials. Because we want to show you what should not be handle material. The problem with leather and bone is that they are very slippery, they show poorly in the water, and their price is high. So never put these two materials on scuba diving knives.

5. Accessories for scuba dive knife

Each knife comes with some accessories that can help you a lot. Now we will list a few accessories.

               Lanyard

A lanyard can be a very useful thing for you. Namely, several knives on the list have a lanyard hole. If you buy such a knife, be sure to install a lanyard. Because it can help you keep your knife safe and reduce your chances of losing.

               Sheath for dive knives

The second and most important is a sheath. To clarify something, never buy a dive knife without a sheath. Why you buy a knife when you have no place to put it. You should also pay attention to the sheath material. It should be of plastic, rubber, or nylon. Other materials not. And it must be adjustable, so you can put it on your arm or leg.

This is the best way to wear sheath for knife

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