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Kershaw Leek 1660: The Slim Everyday Carry Knife Explained

The Kershaw Leek is a slim, assisted opening folding knife designed by Ken Onion and made in Oregon. Here is what makes it a lasting everyday carry pick.

By unknowndivide staff 3 min read
A Kershaw Leek folding knife held open over a worn leather boot
Kershaw Leek. Image: Kershaw

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Some pocket knives win people over with size. The Kershaw Leek wins them over by almost disappearing. It is thin, light and quick to open, and for years it has been one of the knives people hand to a friend who asks what to carry every day. If you want one small blade that looks tidy in a pocket and still handles real tasks, the Leek is the place to start.

Who makes it

The Leek comes from Kershaw, the knife brand run by Kai USA in Tualatin, Oregon. Kershaw lists the Leek as designed and made in the United States, and the design comes from knife designer Ken Onion. Kershaw pairs that slim design with its SpeedSafe assisted opening.

What the Kershaw Leek is

The Leek is a compact folding knife built for everyday carry, the habit of keeping a small set of useful tools on you every day. Kershaw describes it as an ideal everyday carry knife, and the numbers back that up. The blade is a 3 inch (7.6 cm) drop point, a shape with a gently curved spine that gives a strong, controllable tip for opening boxes, cutting cord and food prep at a picnic.

The steel is 14C28N, a Swedish stainless steel known for taking a fine edge and resisting rust. The handle is 410 stainless steel, which keeps the knife slim and gives it a clean, machined look. A frame lock, where part of the handle itself springs behind the blade, holds it open securely.

Opening is handled by SpeedSafe, Kershaw's assisted opening system. You press the small flipper on the back of the blade to start the motion and the assist carries the blade the rest of the way open. It feels nearly instant.

  • Blade: 3 inch (7.6 cm) drop point
  • Blade steel: 14C28N Swedish stainless
  • Handle: 410 stainless steel
  • Lock: frame lock
  • Opening: SpeedSafe assisted flipper
  • Clip: reversible for tip up or tip down carry
  • Origin: designed and made in the United States
  • Warranty: Kershaw limited lifetime warranty

Why it is cool

The Leek proves a slim knife does not have to feel flimsy. The steel handle and frame lock give it a solid, confident feel in the hand, while the thin profile means it rides in a front pocket like a pen. Many larger knives end up left in a drawer because they are annoying to carry. The Leek gets carried.

The reversible pocket clip matters more than it sounds. You can set it up for tip up or tip down carry, which lets you match the way you already reach into a pocket. Combine that with the fast SpeedSafe opening and the Leek feels natural after a day or two of use.

There is also something satisfying about a design that has stayed in the lineup for so long. Ken Onion drew a shape that still looks modern, with a long, elegant blade line and very little wasted material. It is a knife that looks good closed on a desk and works well open in your hand.

Who should buy it

Buy the Leek if you want a first serious pocket knife, or if you already own a chunky folder and want something that disappears in dress pants. It suits office workers, travelers who keep a knife in a day bag at home, and anyone who opens a lot of packages.

Skip it if you need a heavy blade for outdoor chopping or prying. The Leek is a fine slicing tool, and the thin tip should not be used as a lever. Check your local knife laws before carrying any assisted opening knife.

Living with it

The first week tells you more than the product page. Pay attention to whether you reach for it without negotiating with yourself, whether it creates new friction and whether it still feels like the right size for your actual day. Good gear disappears into routine. Average gear keeps asking for attention.

Want to compare it with another everyday carry knife? Read our Benchmade Bugout guide, our Opinel No. 08 guide and our everyday carry essentials list. For more, visit our everyday carry hub.