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 new 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.