One Button. Blade Out. That’s the Whole Story.
OTF knives have a reputation for complexity, but this one keeps it straightforward. One button deploys the double-edge blade cleanly. One button retracts it. The mechanism is consistent, the steel holds an edge, and the black finish resists wear. If you’ve been looking for a workhorse automatic knife that doesn’t require a manual to operate, this is a reasonable place to start.
At 9.5 inches overall and 5.75 inches collapsed, it’s a full-size knife that still fits in a jacket pocket or a bag without taking over. The 3.75-inch double-edge blade is long enough for practical use and designed for a clean cut in both directions.
Who This Automatic Knife Is For
Knife collectors and resellers looking for a solid OTF at a competitive wholesale price will find this one worth stocking. It’s well-made, visually sharp, and moves well in retail environments that carry tactical and everyday carry gear.
Practical users who want an automatic knife for utility or everyday carry — hikers, outdoors people, anyone who prefers a faster deployment than a folding knife allows — will find the mechanism dependable and the blade size genuinely useful.
If you’re buying for resale, this is the kind of knife that photographs well and sells itself on specs. Double edge, automatic, quality steel, fair price — buyers in the tactical knife space recognize that combination quickly.
Is This the Right Choice for You?
Choose this OTF double-edge knife if you want:
- One-handed, instant blade deployment with no wrist flick required
- A full-size double-edge blade (3.75″) for versatile cutting tasks
- A tactical aesthetic with a black finish and clean profile
- A reliable wholesale knife with strong retail appeal
Consider something else if you need:
- A single-edge blade for easier legal carry in certain jurisdictions — check local laws on double-edge and automatic knives before purchase
- A smaller or more discreet everyday carry option
How It Actually Works
The out-the-front mechanism is driven by a spring-loaded system activated by a sliding button on the spine of the handle. Push it forward and the blade fires straight out the front. Push it back and the blade retracts just as cleanly. There’s no flipping, no wrist snap, no two-handed operation required. For people who carry a knife regularly and want fast access, OTF design is genuinely practical — not just aesthetically tactical.
The double-edge blade cuts on both sides, which expands utility for certain tasks and gives the knife a symmetrical balance that single-edge designs don’t always achieve. The premium steel holds up to regular use and takes a reasonable edge for resharpening over time.
At 0.7 lbs, the knife has enough weight to feel substantial in hand without becoming fatiguing on a long carry day. The 1.38-inch width keeps it from being bulky in a pocket or pack.
Quick Comparison: How Does This OTF Knife Stack Up?
| Feature | OTF Double Edge Knife | OTF Single Edge Knife | Folding Pocket Knife | Fixed Blade Knife |
|---|---|---|---|---|
| Deployment Speed | Instant ✓ | Instant ✓ | Moderate | N/A (always open) |
| Blade Edges | Double edge ✓ | Single edge | Single edge | Single or double |
| Blade Length | 3.75 inches | 3.5 inches | Varies | Varies ✓ |
| Portability | 5.75″ collapsed ✓ | 5.5″ collapsed ✓ | Pocket-ready ✓ | Requires sheath |
| Legal Considerations | Check local laws | Check local laws | Generally broader ✓ | Varies by carry method |
| Best For | Tactical, EDC, collectors | Tactical, EDC, collectors | General everyday use | Outdoor, camp, work |
Practical Details
Overall length is 9.5 inches. Collapsed length is 5.75 inches. Blade length is 3.75 inches. Weight is 0.7 lbs. Dimensions are 9.5″ x 1.38″. Material is premium quality steel with a black finish. Sold individually. Check your local and state laws regarding automatic knives and double-edge blades before purchase or resale — regulations vary by jurisdiction.
If you want a full-size automatic knife with instant deployment and a double-edge blade, this one delivers the specs without unnecessary complications. Add it to your inventory or your carry kit and see for yourself.
Frequently Asked Questions
Is it legal to carry an OTF automatic knife?
That depends entirely on where you are. Laws on automatic knives vary significantly by state, county, and city. Some states permit them with no restrictions, others restrict blade length, and some prohibit automatic knives outright. Always check your local laws before carrying or reselling automatic knives. We sell this product for lawful use only.
How durable is the deployment mechanism?
The spring-loaded OTF mechanism on this knife is built for repeated use. Like any mechanical system, it performs best when kept reasonably clean and not abused with excessive force. Avoid deploying it against hard surfaces. With normal use, the mechanism stays consistent over a long service life.
What’s the difference between this and the single-edge version?
The double-edge version (ST-AK-103) has a blade sharpened on both sides, is 3.75 inches long, and measures 9.5 inches overall. The single-edge version (ST-AK-104) has a blade sharpened on one side, is 3.5 inches long, and measures 9 inches overall. If your jurisdiction restricts double-edge blades, the single-edge version may be the better option.
Does this knife come with a sheath or carrying case?
Listing does not include a separate sheath or case. At 5.75 inches collapsed, the knife fits comfortably in most jacket pockets, tactical pouches, and standard horizontal or vertical knife sheaths sized for handles in the 1.38-inch width range. Check the product images for the handle profile before sourcing a third-party sheath.
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