Zero Tolerance 0850 Sub-Frame Lock Knife Blue Carbon Fiber (3.75" Satin) ZT

Item #BHQ-52150
MSRP: $400.00
Our Price: $229.00


  • Overall Length: 8.70"
  • Blade Length: 3.75"
  • Blade Thickness: 0.16"
  • Blade Material: CPM 20CV
  • Blade Style: Sheepsfoot
  • Blade Grind: Flat
  • Finish: Satin
  • Edge Type: Plain
  • Handle Length: 4.95"
  • Handle Thickness: 0.51"
  • Handle Material: Carbon Fiber
  • Color: Blue
  • Frame/Liner: Titanium
  • Weight: 4.30 oz.
  • User: Right Hand
  • Pocket Clip: Tip-Up
  • Knife Type: Manual
  • Opener: Thumb Stud
  • Lock Type: Frame Lock
  • Brand: Zero Tolerance
  • Model: 0850
  • Model Number: 0850, zt0850, zt850
  • Designer: Dmitry Sinkevich, Todd Rexford
  • Country of Origin: USA
  • Best Use: Everyday Carry
  • Product Type: Knife

The Zero Tolerance 0850 is a Dmitry Sinkevich/Todd Rexford collaboration based on a custom piece the two knifemakers built in 2016. This production version of the design boasts a CPM-20CV stainless steel blade with a two-tone stonewash/satin finish and decorative aluminum thumb studs. To reduce weight, ZT added a Sub-Frame Lock with a hardened steel insert to the 0850's stunning blue tinted carbon fiber composite handle. The knife comes fitted with a custom machined titanium pocket clip with a bead-blasted finish.

  • CPM-20CV blade steel offers outstanding edge retention.
  • Blue carbon fiber composite scales provide a sleek, lightweight build.
  • Custom machined titanium pocket clip for convenient everyday carry.

Customer Reviews

Jason R. on Jan 30, 2019

Ordered this knife 1/25/19 received the knife 1/30/19 love this knife

My top knife
Kyle K. on Apr 8, 2017

Great knife with awesome lines and excellent action, Well worth the price tag. The 20cv takes a killer edge and the modified wharncliffe is awesome for everyday carry. All the Custom hardware make this knife stands out among the crowd.

Robbie G. on Jul 18, 2018

I did not buy this from blade but I wanted to share how amazing this action is. I have had my fair share of thumb stud openers and this is by far the smoothest. Bearings + thumbstud = gold. Won't be disappointed if this design fits your taste.

ZT perfection
Johnathan H. on Nov 28, 2018

I just received my ZT 0850. The thing is perfect in every way for me. Very smooth and solid lock up. The carbon fiber handles are the highest quality I've ever seen on a production knife. No idea why ZT has discontinued this knife but I'm just glad I was able to pick one up. The detent is perfect for the thumbstud deployment. Also not many people realize this but this knife is waveable. I auto deploy this 3.75 inch blade from the pocket and the sound is straight wicked. Some people have said that the "6 shooter" design is silly but I find it very subtle in hand. To me it looks like it was just a design and not necessarily a "6 shooter". Anyways, great blade. Buy with confidence

Better than it looks.
Rory P. on Feb 1, 2019

I wasn't a giant fan of this knifes esthetics. But when the price dropped after it was discontinued it was worth it, to me, to buy it anyhow. I was wrong. It's beautiful. It took a bit to grow on me, but it's just pure beauty. It's a great knife. Smooth as can be, and it's on washers! So smooth. Locks up like a tank. The revolver like styling is super cool. Thumb stud is great. Blade shape is super useful and practical. Well built knife. I love it.

Built like a tank
Adam M. on Aug 24, 2018

ZT sub frame lock, nuff said.

GDPR G. on Jan 9, 2019

Beautiful Bruiser
Mason C. on Jan 21, 2019

The 0850 is built like a tank but has that extra bit of flair that sets it apart from the field. The blue CF looks great in any light and the attention to detail on every feature is clear. Action broke in quickly and now it flies open buttery smooth every time I use it. If you're on the fence I wholeheartedly recommend the 0850 at the sale price before they're all gone.

0850 Blue CF / ZT Perfection
Nathan R. on Jan 9, 2019

What a great knife. I opened it last night and thought it was a touch too big. After carrying it today, it’s perfect. No complaints at all. It disappeares in pocket, butter smooth opening and closing. This is the first production blades that feels like a costom. I’m glad they discontinued it due to I now have one and got it for a reasonable price. Don’t know if I would have paid 400$ for it but, for 200$, worth every penny. Great knife design. Get one !!

Great knife from ZT.
Michael B. on Dec 13, 2018

I got this knife and straight out of the box it has been a smooth opening and closing knife and the blade was wicked sharp out of the box. Only real "con" is the thumb stud is a little rough on the thumb.

Brandon P. on Jan 19, 2018

This is probably the best ZT I've ever handled. Fit and finish and action are on par or better than any other knife I own to include several customs. It's a little large but don't let that scare you, it carries like a pm2 and is so light it disappears in the pocket.

allen g. on Jan 12, 2019

Awesome plain and simple it gets a lot of flak on the web but once you get in your hand and use it your hooked ZT carbon fiber is awesome and sub frame lock is soild buttery smooth i will buy every CF/sub frame ZT makes period

Super smooth!
Hunter A. on Feb 22, 2019

This is one of my favorite knives I own it is so smooth especially for being on washers. It has excellent blade steel and is very light for how big the knife is! Pocket clip is a little annoying to get in and out of my thick Levi's but great otherwise.

Gabe S. on Nov 26, 2018

So I've been looking at this knife for a long time and so many times I came very close to pulling the trigger, so once BladeHq had it on sale there were no excuses. So in conclusion I say get one while you still can as they have been sadly discontinued

Almost 5 stars
John A. on Mar 29, 2019

I love everything about this knife except that the detent isn't strong enough, has come open in my pocket multiple times.

Silky Smooth
Joel S. on Feb 16, 2019

If you’re reluctant to by this because it utilizes thumbstuds and it’s not a flipper, you should seriously reconsider. It deploys beautifully with or without a slight flick (depending on your dexterity). The blue cf feels great in the hand and makes for a lot of blade with a light carry. The clip is very nice (not too rigid). I deducted 1 star because there is a scratch/scuff where the clip screws into the cf. great lock up without any blade play. It’s plenty sharp, but I would have preferred that it come just a bit sharper. I have large hands and it fits perfectly! It feels like it was made for my hand. Cool trick: If you practice and are careful you can deploy this as you pull it from your pocket. It just requires that you allow the thumbstud to get caught on the inside of the lip of your pocket. You can also deploy this with your ring finger flicking on the thumbstud. Jimping is nice and the curve on the spine also allows for a very comfortable placement for my thumb to rest for power cuts. I have zero regrets buying this Zero Tolerance.

almost perfect
Matthew T. on Jan 6, 2019

I really like the design of this knife and i like the revolver theme. i know some people think it's obnoxious but i like it. the blade was a little stiff out of the box but was quickly fixed with some lube and slight loosening of the pivot. the carbon fiber is nice and keeps a knife of this size relatively light. However this knife has put a hole in my clothes on two separate occasions due to the blade coming out IN my pocket. i'm not sure how maybe the detent isn't s strong on mine but a $400 msrp knife shouldn't have these problems and it's dangerous. already sliced my finger open because of it.

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