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Kershaw 1660CKT Ken Onion Black Leek Folding Knife with SpeedSafe

by Kershaw
4.8 out of 5 stars 447 customer reviews
| 21 answered questions

List Price: $106.48
Price: $44.94 & FREE Shipping. Details
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  • Enter your model number above to make sure this fits.
  • The Leek series includes some of our most popular knives
  • The user can smoothly and easily deploy the blade with one hand
  • Either left or right. Leeks come in a variety of handle styles
  • SpeedSafe assisted opening; Frame lock
  • Reversible (tip-up/tip-down, right) pocketclip
  • Steel: Sandvik 14C28N, DLC coating; Handle: 410 stainless steel, DLC coating
  • Blade length: 3 inches (7.5 cm); Closed length: 4 inches (10.3 cm); Overall Length: 7 in. (17.9 cm)
  • Weight: 3 ounces (85 g); Made in the USA
100 new from $40.84 1 used from $38.50

$44.94 & FREE Shipping. Details In Stock. Ships from and sold by Amazon.com. Gift-wrap available.

Frequently Bought Together

  • Kershaw 1660CKT Ken Onion Black Leek Folding Knife with SpeedSafe
  • +
  • Lansky PS-MED01 BladeMedic
  • +
  • Smith's PP1 Pocket Pal Multifunction Sharpener
Total price: $62.67
Buy the selected items together

Product Description

Kershaw's 1660CKT has everything the classic Leek has, plus a DLC coating of matte black. If you prefer your knife in basic black, this one just might be your perfect EDC. To create this matte-black look, Kershaw engineers ionize metal and deposit it on both blade and handle as a microns-thin coating. This process results in a coating known as DLC, or Diamond-Like Carbon, which is hard and scratch resistant. With its 3-inch blade, the Leek is a good-sized knife, but not too big. The slim design makes it easy to carry and its razor-sharp blade of high-performance Sandvik 14C28N means it can take care of a full range of cutting tasks. The blade is a modified drop-point, so it's a good slicing knife, while the slim tip gives it piercing capability and the ability to do detailed work. For a partially serrated blade, choose the 1660CKTST Leek in basic black. The Leek features the SpeedSafe ambidextrous assisted opening system. Whether you're left-handed or right-handed, just pull back on the blade protrusion or push outward on the thumbstud and the Leek's blade is ready to go to work. For confident blade use, a super-secure frame lock keeps the blade locked during use and a Tip-Lock slider locks the blade closed when folded. The pocketclip can be configured for tip-up or tip-down carry and the handle is drilled to accept a lanyard. Made in the USA; SpeedSafe assisted opening; Frame lock; Reversible (tip-up/tip-down, right) pocketclip; Steel: Sandvik 14C28N, DLC coating; Handle: 410 stainless steel, DLC coating; Blade length: 3 in. (7.5 cm); Closed length: 4 in. (10.3 cm); Overall Length: 7 in. (17.9 cm); Weight: 3 oz. (85 g).

Product Details

  • Item Weight: 3.2 ounces
  • Shipping Weight: 3.5 ounces (View shipping rates and policies)
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • Origin: USA
  • ASIN: B0009VC9YK
  • Item model number: 1660CKT
  • Average Customer Review: 4.8 out of 5 stars  See all reviews (447 customer reviews)
  • Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

Customer Reviews

Top Customer Reviews

I've got a relatively small knife collection (maybe 15 blades), but this is the one I tend to carry every day. I've got a few Kershaws, and the speed-safe opening is what initially attracted me to the brand. That said, while it's a cool way to open the knife, I've ultimately decided it's mostly a gimmick. I find it's just as fast, and somewhat easier, to open the knife with the thumb stud.

My collection has 3 other kershaws: two chives and an avalanche. The leek is the best size for a carry/defensive knife. The blade is long without being cumbersome, and the shape is sleek and manageable. The knife is also good for chores, although for anything really heavy, I'd use a bigger blade like the avalanche or the blur.

The black finish is nice -- although truthfully, my leek is titanium oxide (rainbow). One of my chives is black, though, and the finish is sleek and holds up well.

This knife is definitely worth the price.
2 Comments 36 of 37 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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The knife is rock solid, well made of first class materials.

NOTE THE DESCRIPTION ON AMAZON'S PAGE IS OUTDATED : Steel on the LEEK is 14C28N and not 440A stainless steel as advertised!

The Sandvik steel (same used for scalpels and other high precision medical tools) This swedish steel has improved corrosion resistance over traditional 13c26. The hardness of the steel falls more and less into the 59-60 Rockwell category. The Framelock can be a little hard to manipulate at first. The Speedsafe, opening assisted blade is fast and can surprise you, be careful with the sharp tip and edge of the blade when opening!

I own other Kershaws and all of them have a production date stamp on the blade (i.e. OCT 09), near the edge of the handle (or scale), this one does not have that stamp of production. Another difference when compared with other Kershaw LEEK is that this particular blade has the normal imprint of the Kershaw logo on the handles and the text underneath that reads "SPEEDSAFE USA" instead of the traditional KEN ONION USA that acknowledges the designer of the blade and the speedsafe technology used on the knives. (see pictures)

The carrying clip can be limited and awkward, this clip is to be used tip up (right handed) or tip down (left handed) or simply you can remove the clip altogether, clip is secured with a couple of #6 torx screws. (To adjust the blade use #8 torx).
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Comment 40 of 43 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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Verified Purchase
Overall this is a great little knife. It opens fast, is very sharp and holds it's edge well and feels good in your hand. The liner lock is great. I have used some others and absolutely hated them because they were so hard to operate. This one is smooth as silk and located in a great position. Very nicely designed.

I did make a few changes which required going out and buying a torx screwdriver. First,I reversed the pocket clip because it came the facing the opposite direction I was used to on my Spyderco knives. Second, the safety had to go. I found it slipped to the "on" position on its own so the knife did not open when you expected it to and was hard to disengage quickly. Not because it was difficult to operate, rather it is tiny and hard to find blind. If you like the safety though, it definitely does prevent the blade from opening accidentally.

Speaking of safety...the knife arrives razor sharp. I opened my package and promptly sliced a finger badly enough to leave a scar. The tension that the blade is under requires some force to overcome and gives it a different feel when closing the knife from a regular lockback. Be sure you fingers are nowhere near the blade. I am now in the habit of disengaging the lock and closing by pressing the back of the blade against my thigh.
2 Comments 44 of 52 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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No big surprises at first glance. But as I handled the knife, the allure, the wide appreciation and reasons for its huge popularity started to become apparent.

From the first moment I put my index finer on the flipper and pushed. I realized almost immediately when it wouldn't budge, that it has the same safety lock as my old 2002 model Kershaw Chive, which is still going strong BTW. I usually am not a fan of blade locks on knives, even assisted ones. But the two Kershaws (Chive and the Leek), are both so damned sharp with very fine/sharp tips and are so easy to deploy, that in the case of these two, I can agree if not with the need, at least the option. I will continue to use the locks, as they won't be my "go to" defensive knives. And the lock can save the nasty little red line that appears seemingly out of nowhere when these two blades snap out. The blade is long since locked before the blood has time to appear. Did I say wicked tip?!?!?

I practiced so much and for so many years with the Chive that even after years of not carrying it, the muscle memory is still intact. I knew in a milisecond how to release the lock on the Leek. I like that the lock is small, unobtrusive and stays put in whichever position the user chooses. You can easily choose to never use it. But it was so easy and quick with the Chive that I wouldn't see it as hampering usefulness on a decidedly light, thin "Gentleman's knife". And even as old as the Chive is, the lock still stays put.

The next thing I noticed, different from my old Chive, and better, was the DLC on the blade and the black anodizing on the SS handles. It has a soft, yet slightly grippy texture, instead of being almost slick like the SS handles on the regular models.
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Kershaw 1660CKT Ken Onion Black Leek Folding Knife with SpeedSafe
This item: Kershaw 1660CKT Ken Onion Black Leek Folding Knife with SpeedSafe
Price: $44.94
Ships from and sold by Amazon.com
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