We stand behind our knives. All Williams Knives are guaranteed for life against any and all defects in material and workmanship for the life of your knife and we will repair or replace it with a new Williams Knife, at our option. We also guarantee our knives to hold up against ordinary usage, wear and tear. If any of our knives fail under ordinary use, we will repair or replace it with a new Williams Knife, at our option. Please note that aftermarket modifications done to your knife outside of our shop that cause your knife to fail may void your warranty.