Each new knife is packaged with written documentation of the Benchmade Warranty. Benchmade Knife Company, Inc. warrants to the original owner that the knife will be free from defects in materials and workmanship. Benchmade will without charge, repair or replace at our (Benchmade's) option, any knife returned for Warranty work and found to be defective by Benchmade. The knife must be shipped by owner, prepaid and insured, together with a description of the problem and must be accompanied by the original bill of sale, your charge or credit receipt or any satisfactory proof of the original date of purchase.