Benchmade Automatic Knives

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Microtech Automatic Knives

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Kershaw Automatic Knives

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Gerber Automatic Knives

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Marfione Custom Automatic Knives

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Heretic Automatic Knives

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Hogue Automatic Knives

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Buck Automatic Knives

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Bear Ops Automatic Knives

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Pro-Tech Automatic Knives

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SOG Automatic Knives

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Spyderco Automatic Knives

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Automatic Knives and Tools: What to Know

Automatic knives offer rapid, reliable one-handed deployment with the simple push of a button or slide. This guide covers the essential differences in mechanisms, handle materials, and designs to help you choose the right automatic tool for your needs.

What is the difference between an automatic knife and an assisted opener?
An automatic knife deploys the blade fully with the push of a button or slide, whereas an assisted opener requires you to manually start opening the blade with a thumb stud or flipper before a spring takes over. Automatic knives operate entirely via the integrated button or switch without requiring direct contact with the blade itself.
How do side-opening and out-the-front (OTF) automatic knives differ?
Side-opening automatic knives fold out from the side of the handle like a traditional folding pocket knife, whereas out-the-front (OTF) automatic knives deploy the blade straight out of the top of the handle. Side-openers typically use a push-button release on the face of the handle, while OTFs deploy via a sliding switch located on either the side or the face of the handle chassis.
What is the difference between single-action and double-action OTF knives?
A double-action OTF uses a sliding switch to both deploy and retract the blade automatically, whereas a single-action OTF only fires the blade out automatically and must be retracted manually. While double-action OTFs offer more convenient one-handed operation, single-action OTFs direct all spring tension toward opening the blade, resulting in an exceptionally fast, powerful deployment.
Why do some automatic knives feature a secondary safety?
A secondary safety switch prevents accidental deployment while the knife is closed and keeps the blade locked open during heavy use. This feature is particularly useful on tactical or rescue-focused knives, providing peace of mind that the button will not be triggered unintentionally inside a pocket or during high-stress situations.
What are the benefits of compact, sub-two-inch automatic knives?
Compact automatic knives offer a highly packable size that is easy to carry while still providing rapid deployment. Some models pair a short blade with a full-sized handle to ensure a secure grip during use, while others feature broad handles that can pull double duty as a functional money clip.