Cold Steel CS21ST Spartan 4.5" Folding Knife, AUS-10A Stone Washed Blade, Black Griv-Ex Handle with Steel Liners & Pocket Clip
- Blade Type:
- Clip Point
- Blade Material:
- AUS-10A SS
- Bade ength:
- 4.50"
- Open Type:
- Thumb Notch
- OAL:
- 10.50"
- Closed Length:
- 6"
- Handle Description:
- Black
- Edge Type:
- Plain
- Weight:
- 9 oz
- Sheath:
- None
The Cold Steel CS21ST Spartan is a 4.5-inch folding knife built for hunters, field workers, and anyone who needs a reliable blade that won't quit. The stone-washed AUS-10A Japanese stainless steel blade resists corrosion while delivering the edge retention serious users demand. Cold Steel engineered this knife to handle real work—processing game, camp tasks, or everyday carry—without the fussiness of high-maintenance steel.
The black Griv-Ex handle combines proven synthetic material with internal steel liners for structural integrity and a substantial feel in your hand. This isn't a lightweight fidget toy; it's built like a working tool. The integrated pocket clip means the Spartan rides securely in your pants or pack, ready to deploy when you need it. The overall design reflects Cold Steel's no-nonsense philosophy: practical, durable, and unconcerned with trends.
Whether you're dressing game in the field, breaking down camp, or simply want a knife you can trust, the Spartan delivers without compromise. The blade geometry and handle ergonomics make repeated cutting tasks comfortable over long sessions. AUS-10A has proven itself across thousands of hunting knives and field blades—it's not exotic, but it's genuinely dependable.
Key Features
- Stone-washed AUS-10A Japanese stainless steel blade for corrosion resistance and edge retention
- 4.5-inch blade length suited to field dressing, camp work, and general-purpose cutting
- Black Griv-Ex handle with integrated steel liners for durability and structural support
- Integrated pocket clip for secure carry
- Folding design for compact storage and safe transport
Specifications
| Brand | Cold Steel |
| Model | CS21ST Spartan |
| Blade Steel | AUS-10A Japanese Stainless |
| Blade Length | 4.5 inches |
| Blade Finish | Stone Washed |
| Handle Material | Black Griv-Ex with Steel Liners |
| Carry Method | Integrated Pocket Clip |
| Knife Type | Folding |
Frequently Asked Questions
Is the Cold Steel Spartan a good hunting knife?
Yes. The 4.5-inch blade length and AUS-10A stainless steel are well-suited to field dressing and camp processing. The handle offers a solid grip for repetitive cutting work, and the folding design makes it portable and safe to carry in the field.
Will the AUS-10A blade hold an edge?
AUS-10A is a proven Japanese stainless that balances edge retention with corrosion resistance and ease of sharpening. It won't outperform exotic super-steels, but it's reliable for real work and won't rust or stain in normal conditions.
What's included with the knife?
The Spartan comes with an integrated pocket clip for carry. No additional accessories are specified.
Is this knife suitable for everyday carry?
The 4.5-inch blade and pocket clip make it practical for everyday carry, though local laws governing knife carry vary. Check your jurisdiction's blade length and type restrictions before carrying.

