Meet the SOG SOG-TAC Auto Tanto (Model SOG15380457, UPC: 729857011686)—a fast-deploying, duty-ready folding knife built for people who want premium materials, confident grip, and reliable cutting performance in a compact everyday carry package. With a 3.43" partially serrated tanto blade made from cryo-treated D2 tool steel and finished in a sleek black TiNi coating, plus a black micro-textured anodized aluminum handle and an included pocket clip, this automatic folder is designed to handle real-world tasks with speed, control, and durability.
If you’re searching for a SOG automatic knife, a tanto EDC folder with serrations, or a black TiNi D2 folding knife that looks as serious as it performs, the SOG-TAC Auto checks all the boxes for work, utility, and everyday readiness.
Automatic Action for Instant, One-Handed Deployment
When your hands are full or time matters, an automatic knife shines. The SOG-TAC Auto is built for quick, convenient one-handed opening, making it ideal for:
Worksite tasks where you need fast access
Everyday utility like boxes, packaging, and cordage
Outdoor use when you’re wearing gloves or moving quickly
Anyone who prefers the speed and simplicity of automatic deployment
This is the kind of knife that becomes a reliable part of your daily routine—simple to carry, quick to access, and ready when you are. (Always follow local laws and regulations regarding automatic knives.)
3.43" Tanto Blade: Strong Tip Geometry, Practical Cutting Power
The tanto blade shape is known for its reinforced tip and angular profile—popular for users who want a blade that feels sturdy and precise. At 3.43 inches, it strikes a great balance: large enough for serious cutting tasks, compact enough for everyday carry.
Why tanto blades are popular for EDC and work use
Strong tip geometry for demanding cutting jobs
Crisp edge profile for controlled cuts
A “confidence” feel that many users prefer in a compact folder
Versatility for everyday tasks and tougher materials
Partially Serrated Edge: Two Cutting Styles in One Blade
This model features a part-serrated edge, giving you a practical combination of:
Plain edge for clean, controlled slicing (tape, cardboard, food tasks, general utility)
Serrated section for bite and pull-cut efficiency (rope, webbing, fibrous materials, tougher packaging)
For many users, partial serrations are the best of both worlds—especially if you regularly deal with cordage, straps, or heavy-duty materials but still want a clean plain edge for everyday work.
Cryo D2 Tool Steel: Edge Retention That Holds Up
The blade is crafted from cryo-treated D2 tool steel, a favorite among knife users who value strong wear resistance and excellent edge retention. D2 is often chosen because it can hold an edge through demanding cutting tasks, making it a great fit for:
Cryo treatment is commonly used to help optimize the steel’s structure for improved performance characteristics—supporting dependable cutting over time.
Black TiNi Coating: Sleek Look, Added Protection
The black TiNi (titanium nitride) coating gives the blade a clean, tactical appearance while adding a layer of protection that can help resist wear from daily use. It also contributes to a low-glare finish that looks sharp and stays looking sharp—perfect for users who want an all-black aesthetic that matches modern EDC gear.
Micro-Textured Anodized Aluminum Handle: Grip You Can Trust
A knife is only as confident as its handle in real conditions. The black micro-textured anodized aluminum handle is built to provide a secure, controlled feel in the hand—especially when you’re working fast or wearing gloves.
Benefits of an anodized aluminum handle
Durable and lightweight for everyday carry
Comfortable profile for frequent handling
Tough finish that holds up to use and abrasion
Micro-texture helps maintain grip in varied conditions
The result is a handle that feels solid without feeling bulky—ideal for pocket carry and daily utility.
Pocket Clip Included: EDC-Friendly Carry
The included pocket clip makes the SOG-TAC Auto an easy fit for everyday carry—keeping the knife accessible and secure in your pocket, bag, or gear setup. A good clip matters more than people think; it turns a knife from “something you own” into “something you actually carry.”
Ideal For EDC, Work, and Outdoor Utility
The SOG SOG-TAC Auto is a great match for:
Everyday carry (EDC) users who want quick one-hand access
Work and trade professionals who open packages and cut material daily
Outdoor enthusiasts who want a reliable folding knife with extra bite from serrations
Collectors and SOG fans who appreciate quality materials and a clean all-black build
It’s also a strong option for anyone looking for a rugged, premium-feeling automatic folder in a very practical blade length.
Product Details and SEO Search Terms (Easy Reference)
To help you find the exact model quickly, here are the key identifiers:
Brand: SOG
Product Name: SOG-TAC Auto
Blade Length: 3.43"
Blade Style: Folding Tanto
Edge: Part Serrated
Blade Steel: Cryo D2 Tool Steel
Blade Finish: Black TiNi
Handle: Black Micro-Textured Anodized Aluminum
Includes: Pocket Clip
Model / Part Number: SOG15380457
UPC: 729857011686
Common searches: SOG SOG-TAC Auto tanto, SOG15380457, black TiNi D2 automatic folding knife, part serrated tanto EDC knife, 729857011686
A Premium Automatic Tanto Folder Built for Real Use
If you want a fast-deploying knife with a strong tanto profile, durable premium materials, and an all-black look that fits modern carry setups, the S.O.G SOG-TAC Auto 3.43" Folding Tanto Part Serrated Black TiNi Cryo D2 Steel Blade with Black Micro-Textured Anodized Aluminum Handle (SOG15380457 / 729857011686) is an excellent choice. Built for everyday utility and demanding tasks, it delivers the speed, grip, and cutting confidence you want in a serious EDC automatic.
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