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S.O.G
The SOG Seal FX Tanto 4.3" tactical fixed blade knife is a purpose-built workhorse for serious users who demand reliability in the field. Born from direct feedback from professional operators, this American-made blade cuts a clean, capable profile whether you're on a tactical mission, managing camp chores, or handling everyday cutting tasks where a fixed blade makes sense. The 4.3-inch tanto blade profile—that distinctive angular point—excels at piercing and controlled slicing; paired with CPM S35VN steel hardened to Rc. 58-60, it holds an edge longer than softer stainless and resists corrosion in wet environments.
What sets the Seal FX apart is its no-nonsense construction. The blade wears a durable black Cerakote finish that shrugs off fingerprints and wear. The handle is 30% glass-reinforced nylon—tough, lightweight, and textured enough to stay put in your grip even when wet or gloved. At 7.2 oz, it won't burden you on a long patrol or backcountry push. The straight edge takes a wicked sharp grind and is easy to maintain in the field with a simple stone or steel.
The Seal FX ships with a kydex sheath in matching black, designed for solid retention and quick deployment from belt, pack, or tactical rig. Kydex is proven to outlast leather in harsh conditions—no rot, no mildew, just consistent performance. The sheath itself is customizable, so you can rig it to suit your carry preference. This is a knife that earns its place in a professional kit, a backcountry pack, or anywhere the task demands a fixed blade you can trust.
| Overall Length | 9.20" |
| Blade Length | 4.30" |
| Blade Thickness | 0.19" |
| Weight | 7.20 oz |
| Blade Steel | CPM S35VN |
| Blade Hardness | Rc. 58-60 |
| Blade Edge | Straight |
| Blade Shape | Tanto |
| Blade Finish | Black Cerakote |
| Handle Material | 30% Glass-Reinforced Nylon |
| Handle Color | Black |
| Sheath Material | Kydex |
| Sheath Color | Black |
| Made in | USA |
The knife ships with a black kydex sheath designed for secure retention. The sheath is customizable, allowing you to adjust carry method and position to fit your rig or kit.
The Seal FX uses CPM S35VN stainless steel, hardened to Rc. 58-60. This hardness range balances edge retention with corrosion resistance and ease of field maintenance, making it a solid choice for tactical and field work.
Yes. The tanto point excels at piercing and controlled cuts, a profile trusted by professionals. The straight edge is easy to sharpen, and the overall design is proven for both tactical operations and practical camp or field work.
At 7.2 oz, the Seal FX is lightweight enough for all-day carry without fatigue, whether on a belt, pack, or tactical vest. The glass-reinforced nylon handle keeps weight minimal while maintaining durability.
S.O.G
The SOG Seal FX Tanto 4.3" tactical fixed blade knife is a purpose-built workhorse for serious users who demand reliability in the field. Born from direct feedback from professional operators, this American-made blade cuts a clean, capable profile whether you're on a tactical mission, managing camp chores, or handling everyday cutting tasks where a fixed blade makes sense. The 4.3-inch tanto blade profile—that distinctive angular point—excels at piercing and controlled slicing; paired with CPM S35VN steel hardened to Rc. 58-60, it holds an edge longer than softer stainless and resists corrosion in wet environments.
What sets the Seal FX apart is its no-nonsense construction. The blade wears a durable black Cerakote finish that shrugs off fingerprints and wear. The handle is 30% glass-reinforced nylon—tough, lightweight, and textured enough to stay put in your grip even when wet or gloved. At 7.2 oz, it won't burden you on a long patrol or backcountry push. The straight edge takes a wicked sharp grind and is easy to maintain in the field with a simple stone or steel.
The Seal FX ships with a kydex sheath in matching black, designed for solid retention and quick deployment from belt, pack, or tactical rig. Kydex is proven to outlast leather in harsh conditions—no rot, no mildew, just consistent performance. The sheath itself is customizable, so you can rig it to suit your carry preference. This is a knife that earns its place in a professional kit, a backcountry pack, or anywhere the task demands a fixed blade you can trust.
| Overall Length | 9.20" |
| Blade Length | 4.30" |
| Blade Thickness | 0.19" |
| Weight | 7.20 oz |
| Blade Steel | CPM S35VN |
| Blade Hardness | Rc. 58-60 |
| Blade Edge | Straight |
| Blade Shape | Tanto |
| Blade Finish | Black Cerakote |
| Handle Material | 30% Glass-Reinforced Nylon |
| Handle Color | Black |
| Sheath Material | Kydex |
| Sheath Color | Black |
| Made in | USA |
The knife ships with a black kydex sheath designed for secure retention. The sheath is customizable, allowing you to adjust carry method and position to fit your rig or kit.
The Seal FX uses CPM S35VN stainless steel, hardened to Rc. 58-60. This hardness range balances edge retention with corrosion resistance and ease of field maintenance, making it a solid choice for tactical and field work.
Yes. The tanto point excels at piercing and controlled cuts, a profile trusted by professionals. The straight edge is easy to sharpen, and the overall design is proven for both tactical operations and practical camp or field work.
At 7.2 oz, the Seal FX is lightweight enough for all-day carry without fatigue, whether on a belt, pack, or tactical vest. The glass-reinforced nylon handle keeps weight minimal while maintaining durability.
