Kershaw Cinder Pocket Knife, Small Lightweight Keychain Knife

4.6 4.6 out of 5 stars | 5,801 ratings

Price: 7.19

Last update: 02-16-2025


About this item

Thumbstud Smoothly Assists Blade'S Manual Open In Classic Style
Liner Lock Securely Lock Blade During Use; Steel Plate Moves Behind Open Blade To Prevent Wiggle And Unexpected Fold Back
Open Length: 4 Inches; Closed Length: 2.6 Inches, Slightly Longer Than Average Key, Making It Perfect For Keychain Carry
Uniquely Small Yet Capable For Daily Tasks; Two-Toned Wonder Opens Packages, Breaks Down Boxes, Trims Stems, Cuts Duct Tape, Twine And Rope, Notches Wood And More
Kershaw Backs Its Knives With Limited Assurance For Lifetime Of Original Owner; Knives Are Assuranced Against Defects In Material And Construction And To Perform As Advertised

Product information

Technical Details


Top reviews from the United States

  • Jeff Van Es
    5.0 out of 5 stars Great EDC
    Reviewed in the United States on August 8, 2024
    The Cinder is about the same size as my car key. This is my favorite EDC knife and goes with me everywhere. It is perfect for every day tasks like opening boxes, letters and packages. It even has a bottle opener on one end. It is easy to sharpen and holds it edge reasonably well. A couple of swipes on a ceramic stone every few months and it is good as new. It should last a lifetime and comes with a lifetime warranty just in case.
    Customer image
    Jeff Van Es
    5.0 out of 5 stars
    Great EDC

    Reviewed in the United States on August 8, 2024
    The Cinder is about the same size as my car key. This is my favorite EDC knife and goes with me everywhere. It is perfect for every day tasks like opening boxes, letters and packages. It even has a bottle opener on one end. It is easy to sharpen and holds it edge reasonably well. A couple of swipes on a ceramic stone every few months and it is good as new. It should last a lifetime and comes with a lifetime warranty just in case.
    Images in this review
  • Nikolai Vetrik
    5.0 out of 5 stars Great knife!
    Reviewed in the United States on December 27, 2024
    Great knife! Highly recommend. Super sharp, compact, and excellent quality.
  • Amazon Customer
    5.0 out of 5 stars EDC - Key sized package and bottle opener
    Reviewed in the United States on November 17, 2023
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    I was looking for a knife and bottle opener that I would always have with me. This knife fits perfectly on a set of keys. I don’t notice any additional bulk to my key ring. The blade looks good, and performs well. It is sharp enough to cut through packing tape and paper, and the pointed blade shape helps get the cut started. The assist on the blade is easy to open with one hand, and the lock keeps the blade open. Overall a sturdy little EDC that is well worth the price!
  • Coffee Bean
    4.0 out of 5 stars Nice EDC keychain knife with one handed open, no issues with opening in pocket, and very sharp
    Reviewed in the United States on April 8, 2022
    There are other tiny EDC knives like the Gerber LST ultralight (https://amzn.to/3Ko11Ni) which I own and love. But this in the only one I have found that has one-handed opening. I grab the thumb stud with my thumb, add a bit of wrist snap, and the blade is open and locked. This is a great feature for when you don't have two hands free.

    In terms of other issues that other reviewers mentioned:

    1. Yes the blade is very short, that's why it's a very small and lightweight knife. The knife is the same length closed as my Toyota key. The above-mentioned Gerber knife as a 1.6 inch long blade while this guy is only 1 inch. But for opening boxes and such the short blade works fine.
    2. price: I think the knife is very fairly priced. Most of my little EDC knives cost at least 15 or $20 so for the seven dollars that I paid I am quite happy.
    3. The blade opening in your pocket. I'm not sure how this would happen, as it takes quite a bit of force to separate the blade from the magnet inside the blade case. Perhaps there is individual variation between different knives, so I will check the other two that I bought. I checked the other two Cinders, and they have even stronger retention magnets, so even less of a problem.
    4. The only valid criticism is that the can opener/ Bottle opener is a little bit too short. So if you're buying this to open a lot of beers then I'd probably add a real bottle opener to your keychain. I never use a bottle opener so I didn't care about this. I might grind it off entirely.
    5. All three knives I purchased the blade was razor-sharp. I haven't cut open a million boxes so not sure how it will hold the blade sharpness, but I don't mind resharpening it occasionally.

    My Gerber LST ultralight is .6 ounces and this one is .9 ounces, not a big difference. Although I love the Gerber it has a slip blade opening, so needs two hands. For now this little Cinder will be my keychain knife. I think it is a great knife for keychain or watch pocket carry, and perhaps the smallest single hand open and close knife on the market. For seven dollars and change, you can't go wrong. I bought one for every keychain.
  • James Montalbano
    5.0 out of 5 stars Great keychain tool
    Reviewed in the United States on January 20, 2025
    This Kershaw knife is small & lightweight and great for keeping on a keychain as a handy tool.
  • Aaron
    5.0 out of 5 stars Very sharp and handy
    Reviewed in the United States on October 1, 2024
    I've probably used this little guy a hundred times since getting it a month ago. Very handy for opening all of my wife's Amazon purchases. Not too bulky on my keychain, folding mechanism works well, and holds a sharp blade.
    Customer image
    Aaron
    5.0 out of 5 stars
    Very sharp and handy

    Reviewed in the United States on October 1, 2024
    I've probably used this little guy a hundred times since getting it a month ago. Very handy for opening all of my wife's Amazon purchases. Not too bulky on my keychain, folding mechanism works well, and holds a sharp blade.
    Images in this review
  • John Irvine
    5.0 out of 5 stars Great little knife that has held up for years
    Reviewed in the United States on January 11, 2025
    This is a great little knife that has held up for years, I keep it on my keychain
  • Zero Signal
    5.0 out of 5 stars Perfect for a mini survival kit
    Reviewed in the United States on June 25, 2024
    I wanted to put together a very small kit with some emergency essentials for hiking. I wanted a knife, magnesium fire starter, compass, some cordage, and a few other odds and ends to keep in a pocket in case of an emergency in the wild.

    I really wasn't planning on buying another knife for this-- I was planning on using a Swiss Army knife that I've had forever-- but the Cinder caught my eye. For $10 it was worth the gamble so I bought it and began evaluating it.

    It was fairly sharp out of the package but I spent a few minutes honing it and got it to where it will shave arm hairs. No, an emergency knife doesn't have to be this sharp, but it doesn't hurt and it's nice to have a sharp edge to cut paracord, etc.

    The short, slightly curved blade is very controllable for making fuzz sticks for kindling. It will also strike a decent spark on a magnesium fire starter. I also like that the blade locks into position. Since this is a knife that may see some abuse if it gets needed in an emergency, I wanted a blade that would be less likely to accidentally close.

    Everything else about the knife is fine. I like the option of using a lanyard, especially in an emergency. I put a couple of drops of oil on the pivot and the knife opens and closes smoothly. It's so small that it takes up very little room in my emergency kit, and it's so light that I hardly know it's there. It's a good choice if you want a knife that will be unobtrusive until it's needed.

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