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4 results
Zero Tolerance 0560 Flippers
Zero Tolerance 0560 Flippers
This knife is a must have for your collection. It's basically a Rick Hinderer XM-18 made by Zero Tolerance and has one of the smoothest opening blades on the market.
Zero Tolerance 0562 Flippers
Zero Tolerance 0562 Flippers
ZT has a grand slam with the 0562 Folder. A perfectly balanced, ultra smooth folder with the wickedly cool Rick Hinderer Slicer grind. Plus exotic steels!
Zero Tolerance 0566 Flippers
Zero Tolerance 0566 Flippers
A more compact Hinderer design, the 0566 is strong, lightweight, fast, concealable, and very well balanced. It also features the excellent ELMAX steel.
Zero Tolerance 06X0 Folders
Zero Tolerance 06X0 Folders
If you've been waiting for an Emerson knife with exotic materials, look no further than the 06X0 Folders. Emerson designs with ZT flair and stout Titanium frame locks.
Zero Tolerance 0770 Flippers
Zero Tolerance 0770 Flippers
The 0770 is a great EDC option for anyone looking for a quality knife. It's got some of the best available materials and a lightweight, utilitarian design.
Zero Tolerance 080X Flippers
Zero Tolerance 080X Flippers
These Todd Rexford designs are beautiful knives. They have clean lines, ergonomic handles, and functional blade shapes with some of the smoothest bearings in the industry.
Zero Tolerance 090X Flippers
Zero Tolerance 090X Flippers
Designed by custom knifemaker Les George and premium-built by Zero Tolerance, the 090X series brings you production versions of some of Les' most popular designs.
Zero Tolerance Sheaths
Zero Tolerance Sheaths
Protect your investment on the go or at home with a zipper pouch or MOLLE compatible sheath, fits all ZT folding knives.
Zero Tolerance Knife Storage Bag
Zero Tolerance Knife Storage Bag
Safely store up to 18 of your favorite, most precious possessions in this nylon storage bag from ZT. Made with a removable center section and two zippers so it can be fully opened and perused with ease.
Zero Tolerance 0010 Tactical Pens
Zero Tolerance 0010 Tactical Pens
Rugged tactical pens built with tough ZT quality, they use Parker or Fisher Space Pen refills for smooth writing action.
Zero Tolerance 045X Flippers
Zero Tolerance 045X Flippers
The 045X folders are collaborations between ZT and custom knife designer Dmitry Sinkevich. With top materials and a sophisticated look, we think they are perfect EDC folders.

ZT Zero Tolerance Knives — Continuing a Tradition of Excellence

Since 1974, Kai USA has brought you what you have come to expect—the very highest quality and most innovative designs available in the knife market today.

With our line of Zero Tolerance Combat Knives, the legacy continues. We have teamed up with Ken Onion and Strider Knives to bring you a new series of professional-grade combat knives built to survive the harsh, real-world situations that confront you every day.

We call it ZT, Zero Tolerance. And that is our ultimate goal—Zero Tolerance in design, Zero Tolerance in function and Zero Tolerance in performance.

Whether you’re in the Military, Law Enforcement, Fire and Rescue, on a Response Team, or are an EMS professional, if you demand only the best from your equipment, you will quickly recognize the many benefits that ZT has to offer. Because when you’ve got a life-and-death job, you need tools that can give you an edge. Zero Tolerance Knives are those tools.