18600 S.W. Teton Ave.
Tualatin, OR 97062
Zero Tolerance Knives are built from the very highest-grade materials and is proudly made in the United States of America. These professional-grade, duty-ready knives are designed to survive and thrive in the harsh, real-world conditions that confront you every day. Whether you're in the military, law enforcement, fire and rescue, on a response team, or are an EMS professional, if you demand the best from your equipment, you'll quickly recognize the benefits that Zero Tolerance knives have to offer. In a life-and-death job, you need tools that can give you an edge. Zero Tolerance Knives are those tools. Kai USA manufactures its Zero Tolerance brand products in a 55,000 sq. ft. facility in Tualatin, Oregon and backs each product with a Lifetime Warranty.