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Kershaw One Ton Folding Knife

4.3 out of 5 stars 101 customer reviews

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  • Manual opener; Frame lock locking system
  • Steel: 8Cr13MoV, Bead-blasted finish
  • Handle: Machined G-10 front, 410 back
  • Blade Length: 3 1/2 inches; Closed Length: 4 5/8 inches
  • Tip up or tip down pocket clip
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Product Description

Like the Kershaw Half-Ton, but need a bigger knife? Wish granted. It’s the One-Ton. The Kershaw One-Ton (#1447) has a wide, fat blade (even thicker than the Half-Ton) ready to take on any and all heavy-duty tasks. The handle is machined G-10, but only the front has a liner, so this big knife is not as heavy as you’d expect. Carry it tip-up or tip-down, but definitely carry it. Since the company's founding in 1974, Kershaw Knives has been dedicated to quality. This has led to a worldwide reputation for performance and innovation in tools and knives. From state-of-the-art manufacturing to advanced materials, customers rely on Kershaw for products that provide "technology with an edge". Today, Kershaw is a wholly-owned subsidiary of Kai Corporation, which has been in business for more than 90 years. Kai Corporation is Japan's premier blade producer. Their innovative approach to product development has resulted in more than 10,000 superior products. Kershaw products are guaranteed for the lifetime of the original owner to be free of defects when received from the factory. Any product we find to be defective in its original material, construction, or workmanship will be repaired or replaced with the same item or one of equal value at no charge. Normal wear, abuse, or neglect are excluded from this non-transferable warranty. For warranty service, please return product via UPS or insured mail. Include your name, address, telephone number, proof of purchase (sales slip) and a short explanation of the warranty service requested to Kai USA Ltd. 18600 SW Teton Avenue, Tualatin, OR 97062.

Product Details

  • Product Dimensions: 4.8 x 2.5 x 1 inches
  • Shipping Weight: 1.4 ounces
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • ASIN: B005UE413I
  • Item model number: 1447
  • Average Customer Review: 4.3 out of 5 stars  See all reviews (101 customer reviews)
  • Amazon Best Sellers Rank: #324,947 in Sports & Outdoors (See Top 100 in Sports & Outdoors)
  • Product Warranty: For warranty information about this product, please click here

Customer Questions & Answers

Customer Reviews

Top Customer Reviews

By Paul R. Baumeister Jr. on October 16, 2012
Verified Purchase
Had a friend with a smaller version of this knife, and thought it was a great little cutter. I figured I'd go full one ton and one up him, but I was wrong. The knife overall is just "okay". The knife would be rockin five full stars if it wasn't for the grip. Being textured on one side and smooth steel on the other, it's tough to open and close. That might change with some work, let the knife loosen up a bit, but I still don't see that I'm going to be happier about that grip. It's a mood killer, for sure.

Following up: Okay, so I've worked with the knife a bit, and over a couple days the action's loosened up a little. Also, with just a little adjustment in my grip, opening the knife is getting easier. My complaints about the grip are still there, but I'm making adjustments myself to deal.

And it is worth it... I broke down a box the other day after buying a new lawnmower, and decided to try this knife out instead of a box cutter. Holy (insert expletive of choice here), this knife slices like you wouldn't believe. Overall, my review is going to go from a three to a four. That one star is still over the grip, but I'm learning to live with it.
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The Kershaw One Ton is a decent knife, once you learn to deal with the issues. Opening the blade can be a bit difficult, but with practice, it will work out. Obviously, this would not be a good knife for wet environments, as bead-blasted finished steel is prone to rust. But my main issue is with the grip and the form factor. It's very thin closed up, which makes it insanely easy to carry, like I wasn't carrying a knife at all. However, that thin form factor is an issue when it comes to grip. The grip on the knife is doable, but it's not comfortable. Also, the G-10 on one side and the steel on the other side looks awkward.
On the plus side, the blade shape is really good for utility tasks, and although it's not a good stabbing shape, it comes in useful. And it's very sharp out of the box.
It's not a bad knife for the money. If you like the blade shape, buy it, but I can't help but think that there are other knifes around this price range that might be easier to deal with.
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To start, I've had 100's of knives, and tested all types for my needs. This is an EDC (everyday carry) knife for me. I've had 3 or 4 of these, and only bought another when one was misplaced, or taken away (long story). I've never seen one reach the end of its life or get damaged. I have multiple carry knives, as I regularly leave it in a spot I'm working, so I grab another one that's closer and carry that for awhile. I like the variety, as each knife has benefits that others don't. I keep coming back to this knife and buying more for 3 reasons:

1. It's super light with only a liner on one side. I don't baton wood with it or anything (well, not often), and I've never had any problem with the overall structure being weak from it's lightness. It really is significantly light for it's strength.

2. The flip open functionality is the fastest and smoothest of all my knives with that style of opening. I take it apart and clean it up from time to time, but it takes a lot to get enough grit in there to slow it down to that point (and I'm a bit obsessive about cleaning/sharpening). Once cleaned, it's fast and smooth again, usually for months of daily use. It's just quick, and I've had more than one person say something like "I thought switchblades were illegal."

3. The blade simply cuts well, and holds an edge. I haven't measured, but it seems the angle of the blade edge is smaller than most other knives out of the box (think razor vs chisel). Even with the more gradual edge, it doesn't dull quickly. I know various alloys have different strengths, and I don't even remember what this one is made of. I've just gone through a few now and love how long it cuts and stays sharp.
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Verified Purchase
Finally got this bad boy in the mail. Packaging was a yellow bubble envelope and inside was the Kershaw box with a general instruction manual for opening folded knives and care. The knife itself looks great, I like the feel of it in my hand and yes the blade is stamped made in China. It arrived razor sharp out the box and very sturdy. So much so that the frame lock took me a while to close one handed. The knife pops open into place with the flick of the wrist and some force onto the thumb stud. I will play with it a bit more in hopes that the locking mechanism loosens a tad. Overall good first impression, I may up the grade to 5 stars after I have used as primary edc.
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Verified Purchase
Love Kershaw knives. This one is no different. Sharp edge, smooth opening, good price. Reason for the one star off is that having purchased the 1/4 ton and 1/2 ton models I thought this would be just a bigger version of them. Wrong. This is a completely different knife. 1/4 and 1/2 are liner locks and the one ton is a frame lock. Not a big deal but the first two are identical except for the size. Blade is crazy sharp. Good knife. LARGE
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Verified Purchase
The knife was actually a bit larger than I expected, it's price was awesome, it's a good beater knife.
I mostly used fixed blades when out doing anything heavy, but I tried this one out just so I get to play with it and held up nicely.
I wouldn't recommend if you use around people squeemish about knives, it is pretty large.
I havent tried them yet but give the half ton and 3/4 ton a look as well. This is not a small knife.
The blade was a little stiff at first, I adjusted it very very slightly and just cycled it open and closed a bunch of times until I found how I liked it. 5/5 since it completely met my expectations and was actually a bit more sturdy than I originally imagined it.
Only got one day abusing it a lot more than I should have but was just having fun with it still good to go, it did dull after playing with it all day, used for cutting some rope, branches, and boxes.
Easy blade to sharpen though.
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