New ZT Folder Knife Design From A Dmitry Sinkevich/Todd Rexford Collaboration

I’ve always been fond of ZT knives and that’s especially so with the higher end designs of many world famous knife makers. KAI USA brings these artist knifemakers together to share ideas and design philosophies and turn out gorgeous knives.

I tend to carry larger folders between 3.5 and 4 inches in blade length. The 0850 has a 3.75 inch blade made from very durable CPM 20CV blade steel. Taking about durable the carbon fiber scales are not only very durable and strong but lightweight. The total weight of 4.3 ounces makes for a comfortable all day carry knife with the larger blade I prefer. Unlike most factory knives ZT blades I own will shave arm hair with the edge they come with from the factory. This steel is a bit difficult to put a great edge on when the time comes but once you have the right bevel and polish that edge is very sharp and stays sharp even after a good deal of use.

Specs:

Made in the USA
Round turned-aluminum backspacer
Manual opening system
Thumbstud
Single-position titanium (right, tip-up)
Sub-Frame Lock, hardened steel lockbar insert
Steel: CPM 20CV, stonewashed & machine satin finish
Handle: Carbon fiber composite
Blade Length: 3.75 in. (9.5 cm)
Blade Thickness: 0.156 in. (0.396 cm)
Closed Length: 4.95 in. (12.6 cm)
Overall Length: 8.7 in. (22.1 cm)
Weight: 4.3 oz. (121.9 g)
MSRP: $400.00

The Zero Tolerance 0850 is an exciting Dmitry Sinkevich/Todd Rexford collaboration based on a spectacular custom piece the two knife makers built together last year. Zero Tolerance 0546 review.

New Zero Tolerance with carbon fiber scales

Dmitry and Todd had always admired each other’s work, so perhaps it was inevitable that they would eventually collaborate. That time came early in 2016. They talked and agreed to work on a project together. Dmitry provided a drawing of an initial concept. Todd worked out the design details and décor. Together they went to work in Todd’s Colorado workshop, sawing, milling, sharpening, and polishing. Eventually, they built exactly two completely astounding knives. And sold them almost instantly.

Zero Tolerance decided that two was not enough. We talked with Dmitry and Todd and they agreed to work with us on a production version of their collaboration. The new 0850 is the result.

The blade is CPM 20CV stainless steel with a two-tone, stonewash-and-satin finish. This powdered metallurgy steel offers outstanding edge holding capability and corrosion resistance. The 0850 opens manually using a decorative aluminum thumb stud with a clear anodize. The thumb stud is echoed by the unique aluminum backspacer that has been turned and sculpted, then clear anodized. The handles that surround this unusual backspacer are built from a carbon fiber composite material that maintains the benefits of carbon fiber while enabling it to take color, in this case, a deep blue.

Black and deep blue carbon fiber scales. A very difficult process to make carbon fiber in two colors.

To keep the weight down on this big folder, ZT added our patented Sub-Frame Lock with hardened steel lockbar insert. (The ZT Sub-Frame Lock is covered under US Patent 69.120.234.) A custom machined titanium clip with bead-blasted finish and black Teflon®-coated hardware round out the look of this extraordinary knife.

MSRP: $400.00



Phil White

Retired police officer with 30 years of service. Firearms instructor and SRU team member. I still instruct with local agencies. My daily carry pistol is the tried and true 1911. I’m the Associate Editor and moderator at TFB. I really enjoy answering readers questions and comments. We can all learn from each other about our favorite hobby!


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  • RogUinta

    I used to be a huge Kershaw/ZT proponent. They would always be my first recommendation whenever someone asked me what folding knife to buy.

    Then I bought two knives in a row from them in which the holes to mount the pocket clip for left-hand carry had been drilled but not tapped. The first knife just went in the trash, as it $20. The second, though, was a ZT 0561 that had cost me $200. I called up customer service and asked to send it back so that it could be repaired. I was informed the turn-around would be SIX WEEKS. Six weeks to tap three holes and send it back to me. For a $200 knife with faulty workmanship.

    I said thanks, returned the knife to the vendor (purchased through Amazon, fortunately), and buy Spyderco knives now.

    • Hate to hear that. I’ve never had a bad experience with ZT or Kershaw. No matter what the product gun, knife, car whatever you’ll eventually get one with a problem.
      I doubt they would have fixed yours they probably would have just sent a new one.

      • RogUinta

        > I doubt they would have fixed yours they probably would have just sent a new one.

        You’re probably right — but that makes their projected 6-week turnaround even LESS excusable.

        When Kershaw first fired up the ZT line I bought a ZT0301 and liked it a lot. After a while the assisted-open mechanism got a bit noisy and the coating on the titanium lockbar started flaking. I sent it back to them and it came back a week later perfectly repaired. Repaired – not replaced. I recognized the wear patterns on the blade coating. It saddens me greatly that they outgrew such good service.

  • Scott Tx

    if I owned a $400 knife it’d never leave the safe. I lose enough of my ‘cheap’ kershaws.

    • I used to keep mine tucked away nice and safe then I thought what am I doing I’m getting no use or enjoyment from them. I got used to making all my knives working knives. You get over worrying about using them. It just takes a little time using them:-)

      • Klaus

        I couldn’t agree with you more with the exception of my gold class benchmades. They are reserved going out and special occasions

        • Yes I can understand that. If you have a specialized knife with decoration on the blade and things like that I can see babying those.

    • I’m with you. ZT makes a great knife, but at the cost they are want I can’t see myself carrying one for hear of losing a $400 knife. Particularly when they don’t offer that much over knives that a quarter as much.

  • Steve

    Carbon fiber cloth isn’t difficult to make in two colors… you just need to know where to buy it. It’s a nice knife but $400 is crazy for anyone beyond a collector.

  • James Earl Jones

    I just want them to bring back the 560.

    • Gol

      Same, I wanted one for years, then when I finally had the money, they were discontinued.

      • pun&gun

        I have one of the first few off the production line. TBH I think the 562 improves on it in many ways.

  • dhdoyle

    Oh joy. Another titanium frame lock. Just what the world needs. Yawn.

  • Pandaz3

    Of course the $400 is a ‘recommended’ price and it is likely a good bit less out the door,
    I do have some Emerson’s, but I usually carry a ZT350.

  • scaatylobo

    Bought a ZT Sinkevich blade and LOVE it.
    But I too qual as a retired LEO,and my larger blades that I EDC [ yes,I do have a couple small ones too ] MUST be at least 4″.
    My EDC is generally a Glock 23 and spare mags,often a BUG if I am leaving my “comfort zone”.
    My life is too valuable to bet on cheap guns or knives

  • Mr.SATism

    This knife uses a ‘finger landing’ strip on the lockbar which in English means that your fingers won’t stop the knife from opening when you have your fingers on the locker. IMO that’s so exciting for frame locks and I have no idea why I’m the only person that is so excited about this