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Best Assisted Opening Knives For Your EDC

You never know where you’ll be when disaster strikes, so having a knife you can carry in your pocket at all times is a good investment.

Assisted opening knives are versatile and are designed for one-handed opening.

In this article, we review the best assisted opening knives for general everyday use. If you’re looking for a survival knife, we’d recommend a full tang knife, but folding knives are much more practical to carry around day to day.

If you don’t have your survival gear to hand when disaster strikes, your pocket knife may be all you have.

Let’s get stuck into our top recommendations for the best assisted opening knives.


Overall Best Assisted Opening Knife: Zero Tolerance 0350

Blade length: 3.25 in | Folded length: 4.63 in | Weight: 6.2 oz | Blade material: CPM-S30V


ZT is renowned for producing premium quality knives and the ZT 350 is perhaps their most popular assisted opening knife. The S30V steel offers an excellent balance of edge retention, toughness and corrosion resistance.

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The opening systems (flipper and thumb stud) can be operated using either hand and the pocket clip can be fitted four different ways to allow for tip-up or tip-down carry in either pocket.

Compared to the other models on our list, it’s a large, chunky knife – it feels solid in your hand but heavy in your pocket.

Pros

  • High-quality steel
  • Will keep a sharp edge
  • Versatile pocket clip

Cons

  • Heavy
  • Expensive

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Best Budget Folding Knife: Kershaw Leek

Blade length: 3.00 in | Folded length: 4.00 in | Weight: 3.0 oz | Blade material: 14C28N


The Kershaw Leek is a popular knife that’s stood the test of time. While most of the knives we’ve reviewed have a drop-point blade, the Leek has a Wharncliffe profile – a sharp tip and long straight edge which makes it easy to sharpen.

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14C28N is a mid-range steel that can be made very sharp. It also uses nitrogen rather than carbon to add hardness, giving the blade a high level of corrosion resistance. Both these factors and the slim, lightweight design make it a great value spring-assisted knife.

Pros

  • Easy to sharpen
  • Corrosion-resistant
  • Slim, lightweight design

Cons

  • Knife tip is a little fragile
  • No grip material on the handle – may be slippery when wet

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Best Premium Assisted Opening Knife: Zero Tolerance 0770CF

Blade length: 3.25 in | Folded length: 4.25 in | Weight: 3.0 oz | Blade material: CPM-S35VN


The Zero Tolerance 0770CF is pricey for an EDC knife, but you get what you pay for. In this case, that’s premium CPM-S35VN steel, which is tough, easy to sharpen and has a razor-sharp edge.

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zt knife

The thin blade and carbon fiber handle make for a slim, lightweight knife that fits easily in your pocket.

The knife fits nicely into either hand and although the flipper mechanism does require a bit of force, it’s fast to open and the locking mechanism is solid. It comes with a reversible pocket clip.

Pros

  • Premium steel
  • Lightweight, stylish design
  • Made in the USA

Cons

  • Pocket clip isn’t of the same quality as the rest of the knife

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Best Lightweight Spring Assisted Knife: SOG Twitch II

Blade length: 2.65 in | Folded length: 3.55 in | Weight: 2.6 oz | Blade material: AUS-8


This sleek knife is a small everyday knife that’s easy (and legal) to carry pretty much anywhere. It features an additional safety lock to keep the blade open or prevent it from accidentally opening in your pocket and a large sturdy pocket clip.

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sog twitch

The blade’s made from AUS-8 stainless steel, a budget steel which is easy to sharpen but doesn’t have great edge retention. The blade is a little on the short side for some tasks, but the size, slim profile and anodized aluminum handle make it look discreet. The spring system may suffer from wear over time.

Pros

  • Very lightweight
  • Good value for money
  • Sturdy pocket clip

Cons

  • Blade is on the short side
  • Not as durable as more expensive models

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Best Tactical Assisted Opening Knife: Gerber Covert FAST

Blade length: 3.75 in | Folded length: 5.00 in | Weight: 4.9 oz | Blade material: 7Cr17MoV


The Gerber Covert is designed more for tactical or mixed use than as an ECD knife. The titanium-coated blade has a spear point design with a serrated section.

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If you’ve got large hands, you’ll appreciate the slightly larger handle, but if you’re left-handed, you may want to pass on this model as the thumb stud opening mechanism is designed for right-hand use only.

The FAST part of the name comes from Gerber’s speedy one-handed opening system. There’s a safety switch to prevent accidental opening, but some users have found this a bit sticky.

Pros

  • Decent size handle
  • Long blade

Cons

  • Right-handed use only
  • Sticky safety switch
  • Bulky to fit in your pocket

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Kershaw Cryo II

Blade length: 3.25 in | Folded length: 4.4 in | Weight: 5.5 oz | Blade material: 8Cr13MoV


Kershaw dominates the EDC market with its high-quality affordable knives and the Cryo II is one of their most popular blades.

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To keep costs down, they’ve used 8CR13MoV steel, but the heat treatment and coating that’s used on the blade help maximize the edge retention and add a bit of hardness that might be lacking in cheaper knives.

You can use either the flipper or thumb stud mechanisms to deploy the blade. If you’re willing to put in the work to keep it sharp, the Cryo II is a great value, if rather heavy, pocket knife.

Pros

  • Flipper and thumb stud options
  • Excellent performance for the price
  • Good value

Cons

  • Heavy

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Kershaw Blur 1670S30V

Blade length: 3.38 in | Folded length: 4.50 in | Weight: 3.9 oz | Blade material: CPM-S30V


The Kershaw Blur has been around for years in various styles. This version has a drop point blade made from high-quality CPM-S30V steel – the same as used in the Zero Tolerance 0350.

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Kershaw Blur

It’s not as good looking as the ZT0350 and while the rubberized insert on the handle improves the grip, some people find it gets stuck in your pocket. The ambidextrous thumb stud and Speed Safe technology makes the blade open quickly and smoothly and there’s no risk of accidental opening.

A lightweight, robust knife that should last you for years.

Pros

  • High quality steel
  • Rubberized handle gives good grip
  • Lots of options for colour and blade type

Cons

  • Thumb studs can be uncomfortable to use
  • Pocket clip is overly tight

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SOG Flash II

Blade length: 3.5 in | Folded length: 4.5 in | Weight: 3.1 oz | Blade material: AUS-8


The SOG Flash II is a lightweight, affordable knife that comes in a variety of blade styles including a straight and partially serrated drop point.

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Like the Twitch II, it uses AUS-8 steel but the blade on the Flash is longer, giving more versatility, albeit for a bit more weight.

It’s a decent budget option if you’re looking for a knife with a slightly longer blade, but as you might expect, the build quality isn’t as good as higher-priced models and the plasticky handle feels cheap.

Pros

  • Reasonable blade for the price
  • Different blade style options
  • Lightweight

Cons

  • Build quality isn’t always consistent
  • Feels a bit cheap

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Benchmade Mini Barrage

Blade length: 2.91 in | Folded length: 4.0 in | Weight: 3.4 oz | Blade material: 154CM


Benchmade is a reputable brand that offers durable knives designed to last a generation.

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Benchmade mini barrage

The Mini Barrage is a pocket-sized knife with a blade made from mid-range 154CM steel. Although this isn’t quite as good as S350V on paper, in practice, you’re unlikely to notice much difference.

The spring mechanism is smooth and fast, and the knife is comfortable and easy to use.

If you’re looking for something bigger, it’s big brother, the Barrage has a 3.6-inch blade in a less portable package.

Pros

  • Excellent construction and durability
  • High quality steel
  • Comfortable ergonomics

Cons

  • Expensive

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Schrade SCHA3 MAGIC

Blade length: 3.00 in | Folded length: 4.38 in | Weight: 4.9 oz | Blade material: 4034


This rather futuristic-looking knife lies at the budget end of the market. Unusually, it has a tanto style blade – designed more for piercing than cutting – with a short serrated section.

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Schrade Black Tanto

The spring-assist system doesn’t require much force for the mechanism to engage, so it’s useful that the SCHA3 has a good solid safety lock to prevent accidental deployment. The rubber grip on the handle makes it comfortable and easy to handle.

Unfortunately, the main downside of this knife is the steel. 4034 is near the bottom end of the market and you’ll have to put in a lot of work to keep the SCHA3 sharp. The clip is also a little too effective – it can be tough to get it out of your pocket in a hurry.

Pros

  • Rubber grip makes it easy to use in the wet
  • Solid safety lock
  • Fast deployment

Cons

  • Lower quality steel
  • Tight pocket clip

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How Do Assisted Opening Knives Work?

Folding knives fall into three categories: manual, assisted and automatic.

With a manual folding knife, you open the blade with no assistance from the knife itself. This can make them slow to open or require two hands to do so.

Automatic knives, or switchblades, have a mechanism that forces the blade to spring out of the handle at the push of a button. They’re quick to open but are illegal to carry in many places.

Assisted opening knives cover the middle ground between the two. They require some effort from the user to extract the blade, but once you start, a spring-loaded system kicks in to finish the deployment.

They’re faster and easier to use than a manual folding knife, but the inbuilt mechanism means that there are more parts to break down or jam.

Are They Legal?

While switchblades are widely prohibited in the US, assisted opening knives can be legally sold and possessed under federal law.

Some states may have specific laws in place regarding the length of the blade and places where knives are prohibited, such as airports or federal buildings.

Always check the laws in your state or country before buying a spring assisted knife to make sure you’re complying with the law.

Find out more about state-specific laws on the AKTI website.

Important Features

Blade Material

Many different types of steel are used to make knife blades, each with a slightly different blend of toughness, edge retention (its ability to stay sharp), corrosion resistance and ease of sharpening.

Some knife manufacturers try to balance out all these properties, to offer a blade with average or above-average scores across the board. Higher-end models tend to prioritize edge retention and toughness. These blades will perform better but will be harder to sharpen.

Your choice will depend on your budget and what you’re planning to use your knife for. For example, if you know you’ll be using it in saltwater, then choosing a corrosion-resistant steel will be a priority.

You can learn more about common steels used in knife blades on the BladeHQ website.

Blade Length

This comes down to personal preference and what you’re likely to be using the knife for.

Most of the knives we’ve reviewed are EDC knives with blades between 3 and 3.5 inches in length. The longer the blade, the bigger the knife on your belt.

Comfort and Grip

How a knife feels in your hand is a very personal thing and not something that’s easy to judge when shopping online.

If you’re an experienced knife owner, you’ll already know what you’re looking for, but if this is your first decent knife, it’s worth getting your hands on a few different makes and models to get an idea of what style and size of blade you prefer.

Spring-Assist Mechanism

Assisted opening knives typically use a flipper mechanism or a thumb stud for one-handed opening. A lot of models give the option of both.

One downside of the flipper mechanism is that there’s a risk of the blade being accidentally deployed if something presses on the small fin, for example, when the knife’s in your pocket. For this reason, most knives that use this mechanism have an additional safety lock.

Some knives are designed for use with either hand, but others favor right or left-handed users, either in the design of the grip or the positioning of the thumb stud or locking system.

Conclusion

There are plenty of assisted opening knives to choose from and your choice is likely to come down primarily to budget and personal preference – how the knife feels in your hand.

Want to know more about survival knives? Check out our range of articles on knife sharpening, best brands and the best type of survival knife.

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