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⚔️ Unlock your edge with Spartan precision and speed — be the pro who’s always ready.
The COLD STEEL Spartan folding knife features a 4.5-inch Japanese AUS10A steel blade inspired by the Kukri for exceptional sharpness and edge retention. Designed by Andrew Demko, it incorporates a patented Demko thumb plate for rapid one-handed deployment and a secure Tri-Ad lock paired with a durable Griv-Ex handle with steel liners. Weighing 9 oz and equipped with an ambidextrous pocket/belt clip, this tactical knife balances safety, speed, and ergonomic carry for professionals who demand reliability in every cut.














| Age Range Description | 18+ yrs |
| Asin | B07F49C7JD |
| Best Sellers Rank | #200,362 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #822 in Pocket Knives & Folding Knives |
| Blade Edge | clip-point |
| Blade Length | 4.5 inches |
| Blade Material | Stainless Steel |
| Blade Shape | Locking Recurve Clip Point |
| Blade Type | Plain |
| Brand Name | Cold Steel |
| Color | Black |
| Customer Package Type | Standard Packaging |
| Customer Reviews | 4.7 4.7 out of 5 stars (1,131) 4.7 out of 5 stars |
| Global Trade Identification Number | 00705442017783 |
| Hand Orientation | Ambidextrous |
| Handle Material | Black Griv-Ex |
| Included Components | Ambidextrous Pocket / Belt Clip (Battle Gear) |
| Item Length | 4.5 inches |
| Item Shape | Rectangular |
| Item Type Name | Holster |
| Item Weight | 8.96 ounces |
| Manufacturer | Cold Steel |
| Model Name | Spartan |
| Model Number | 21ST |
| Number Of Items | 1 |
| Part Number | 21ST |
| Power Source | Manual |
| Product Care Instructions | Hand Wash Only |
| Recommended Uses For Product | Military |
| Reusability | Reusable |
| Size | 4.5" |
| Special Features | Manual |
| Style | Plain Blade |
| Unit Count | 1 Count |
| Upc | 705442017783 |
| Warranty Description | 2 Year Manufacturer |
User
Good Cutter with a Few Issues
The Cold Steel Spartan is a very interesting folder with a couple issues. They can all be fixed, and I'll tell you how at the end of the review. Let's get those problems out of the way.1: Slight up and down blade play out of the box.2: Inside of the handle scales are sharp/uglyscales.3: Tight pocket clip.There is still a lot of good with this knife though.1: AUS 10a steel has held up awesomely even with some medium duty chopping. I have maintained the edge with nothing but a strop.2: Blade is ground thin both on the primary and secondary bevels. This makes for a great cutting knife. Also, dead even grind lines, even on the swedge.3: Great out-of-the-box edge. The edge shaves clean with one light stroke across the arm, and has the same level of sharpness across the entire edge. Holds up well with chopping green wood and dry softwood. I don't think it will do well with anything harder.4: Handle is moderately grippy and has good (not great) ergonomics. The handle design lets you choke way back for chopping or comfortably choke up to the cutting edge.5: Lock depresses easily enough for its strength.6: Great deployment even when pivot is tight. When the pivot is loosened you can snap the blade open with its own weight. Wave is effective with a little practice.7: Carries exceptionally well. Rides deep in the pocket, and when I'm wearing my black work pants, it is my most discreet knife! No logos on the clip help with blending in.8: Balance is a little in front of the finger choil. This makes the knife feel choppy in the hand, which is fine given the design and purpose of the Spartan.9: Great blade finish. Looks amazing, wears well, and cleans up good with rubbing alcohol after chopping sappy wood.10: Thick spine and lockbar look cool and add some degree of strength.Unfortunately, there were the issues I mentioned. The blade play was really annoying and got to where you could crank down on the pivot and it would still move up and down. What I did:I took it all of the screws out of both sides of the handle. Then, I tightened the pivot down as much as I could. The blade had been a little off center to the right, so I wedged it to the left with a folded piece of paper, and put in the handle screws. I used pliers to hold my torx driver so I could really snug them up. I removed the paper and adjusted the pivot until the blade was centered. The blade can be thumb flicked with some wrist action or it can be waved. It is tight (no free dropping blade here!) But there is not the slightest side to side play or that awful lock rock I was having.The clip was easy to fix, I just pried it off the handle and held it for a few seconds. It still clips tight but I can get it into the pocket with one hand.The sharp scales fixed themselves with a week of carry, and they are loosing the ugly shiny look they had.In short, the Spartan would be good for collecting, light chopping duty, or social work. It looks quite macho in a bit of a goofy way. If yours locks up right or you fix it, it's solid as rock. It cuts like a dream. I like mine, and I will get more large CS folding knives.
User
Great knife!
This is a great quality knife from Cold Steel. The functionality and lock type/strength are easy to manipulate and hold up very well. The blade shape is unique, compared to many of the other cookie cutter types out on the market currently. Yes, it is a larger knife and is not a small EDC knife you may just put in your pocket. That being said, when closed up, it is still manageable to carry. There is also an ambidextrous pocket belt clip. Has been used for a variety of different odds and ends jobs since purchasing and has held up great.Was razor sharp out of the box and have not had to resharpen since purchasing it. Construction is very solid build and the handle makes for a great fit in the hand the way it is contoured. This is one many Cold Steel I own and the current price point (52% off) is a no brainer. The blade is AUS10A, which has help up very well and kept and edge when compared with a higher quality options out there. For the size, the weight is not at all uncomfortable and blade thickness is proportional.Great knife.
User
Great knife
Great knife. The handle is extremely well designed. There is no way for your hand to slip up onto the blade while cutting anything. Great secure grip. Easy opening and a good weight. Long lasting knife.
User
Super useful, great value
I thought this knife was a little ridiculous for practical use, so I put off buying it for years. Was amazed how easy it carries, I can't tell its there. Super useful blade shape and the handle is fantastic. I did have some rough spots in the action so I sat around for a day (I was sick anyways) working the action over and over, its smoothe and drop shutty now. Quickly turned into my daily carry knife, its so useful and easy to open with the thumb stud/catch. Love this knife for its easy opening, super slicey blade shape, great handle ergos and great edge retention. The value is fantastic for what you get here. I should order another just to have incase something ever happens to this one, I love it that much.
User
Yet, Another Cold Steel Classic! & A Tip ✨😺
Hey. The Spartan is Fierce 🐯. But, the Ergos are real. I have a medium hand and fit wonderfully between the swells (?). And my hand snuggles down into the grip. point being, there are lots of CS's that are easier to 'get in and out of it'. Both the Spartan and it's fabulous Kukri blade are Very Cool. Plain and Serrated!! ✨😺
User
Better than expected!
I’ve considered this knife for years, finally catching it at a pretty good price. While I’m not put off by weight (I have a 4max scout I really like for example) this had a rep as a brick, and similarly the overly defined handle made me concerned my big hands would fit. They do, barely.The thumb plate wave opening works pretty consistently. I find it a little better than on the AK-47. It’s a good thing, because shy of that or two handed opening , this is hard to open otherwise. Trying to flick it open with the thumb plate is difficult , and despite being pretty good at inertia opening knives, this one’s nigh impossible.However once open , the blade feels very good in hand, nimble even. The kukuri style blade kept me away for a long time , but I finally got semi-competent at sharpening knives , so now it’s not an issue.The 4.5 inch blade is very point and sharp, with good belly for slicing. The triad is about middle of the road for CS for stiffness.
User
Sturdy Knife, But a Pain in the Butt to Use
The knife is solidly built and meets my expectations in terms of quality, but there's one major issue—it's nearly impossible to open or close. I'm a fit guy who lifts weights regularly, yet I struggle with this blade. The locking mechanism, while great for safety, defeats its purpose if it’s so hard to release that it becomes a hazard. When it does finally snap shut, my fingers risk getting caught in its path.To safely close the knife, I have to use both thumbs to push down on the locking release simultaneously. And as for deploying it quickly? Forget about it. The effort required to open this knife using the Emerson Wave technique would likely rip my pocket—and maybe my underwear—right out of my heavy-duty jeans. So, in a self-defense situation, unless you're planning to throw your torn, stained underwear at an attacker, this knife isn't going to help.I could return it for a refund, but I'm too quirky for that. I bought this as a birthday present for myself and have this irrational belief that I’m meant to keep it, despite its annoyances. Maybe there's a lesson here, or maybe I’m just stubborn. And everything else about it is great. Either way, this knife is staying with me—for better or worse.
User
A Beast of A Knife
My first thought upon opening the box was: 'Wow! What a ridiculously large knife'! It is probably the heaviest, largest 'pocket knife' in my collection. It came razor sharp, locking mechanism locks up good and tight and the ergonomics are perfect for my hand. The grivory grips are secure and 'grippy' so no need to worry if it will slip out of my hand while using. The pocket catch ( to open as it is being pulled from the pocket) takes some getting used to but with practice becomes second nature. The pocket clip is just the right size so as not to interfere with the grips while holding it, and keeps the knife secure in my pocket. Opening and closing are very smooth, and the 'klack' sound it makes is very satisfying as well as intimidating ( for social work should the need arise). Would I carry this every day? Probably not, due to its massive size, but it is definitely a keeper. As a knife afficianado I am very pleased with the purchase.
User
Spartan
Ótimo produto, perfeita para atividades pesadas e principalmente para autodefesa
User
COLD STEEL SPARTAN
Das Spartan von Coold Steel ist einfach ein super kauf,das Messer ist sehr stabil da gibts kein leichtes wackeln oder sonst was bei geöffneter Klinge,wenn man Coold Steel messer kennt wird man das auch nicht Erwarten,es liegt perfekt in der Hand und trotz seiner grösse,das waren meine Bedenken,verschwindet es mit dem clip in der Hosentasche ohne das man es merkt beim Tragen ect.,die Klinge ist wirklich Rasiermesser scharf!!!Fazit wer die Qualität von Coold Steel kennt wird garantiert nicht enttäuscht
User
流石、コンバットナイフ、コールドスチール、流石
このタイプの折りたたみナイフを買うのは初めてなので折りたたむのに苦労したスイッチをしっかり押して折りたたまなきゃいけない、閉じる時は刃を持ってゆっくり閉じた方が良い他の会社の折りたたみナイフと比べて大型に感じた、前にも横にも縦にも大き過ぎて隠し持て無いです、恐らく料理や護身用に良いと思います。なんか、ずっと刃を触ってたら鋼が冷たいと感じる、コールドスチールの名前の通りだな思う自分が持ってる刃物の中では一番質が良いと思います。
User
Es muy grande y lo mejor que se abre al sacarla del pantalon
Lo compre por Seahaven Store y me llego sellado y original. Extremadamente filosa y de muy buena calidad lo único un poco malo es que las cachas son un poco incómodas en los bordes donde entra la hoja per le lije los ángulos y ya se siente mas comoda
User
Una de las mejores defensas táctica
Una navaja fenomenal súper afilada de fabrica, muy robusta muy buena hechura en general. Algunos otros modelos de CS me han llegado con defecto, el más común hoja que no está bien centrada y si estas pagando algo que no es barato, uno espera que llegue en perfectas condiciones así que las he regresado al día siguiente sin problema alguno. Está navaja llegó antes de lo esperado teniendo en cuenta que fue importación kudos para el vendedor que no fue Amazon en esta ocasión.
Trustpilot
2 weeks ago
2 months ago