Ontario Knife company® prides itself on 125 years of quality manufacturing. OKC products manufactured in the United States are backed by a limited lifetime warranty; if any of our Made in the U.S.A. products fail due to faulty workmanship or faulty materials, we will repair or replace it free of charge with the same item or an item of equal value. The workmanship and materials of OKC International and globally sourced products are backed by a one year limited warranty. All warranties exclude products subject to abuse, misuse or neglect.