Zero Tolerance Knives have been around since 2006. Part of the Kershaw Knife family, these are the higher end knives that are made in the USA. Many ZT models come with Speed Safe opening, simple one hand opening. Pefection is what goes into all the knives ZT makes, the maker of knives use many different types of top steel in the knives they produce, BOHLER M390CPM, 20CVCPM , S30VCPM S35VNCPM S90VCTS and more. The handles come in a variety of G10, Carbon Fiber,stainless steel and titanium. There are limited edition knives that sellout fast and some of the most popular models are the model 350, comes a a range of options, part serrated, tiger stripped and black. Zero Tolerance model 0223 coming soon to our store, checked it out at the 2019 Blade Show and this is one to own. Find all the newest Zero Tolerance Knives here and reviews and any updates pertaining to ZT Knives. Sometimes we offer a FREE KNIFE on certain purchases. Black Friday and Cyber Monday deals are from now until the end of Cybery Monday, look for daily specials including FREE Knives, were talking great free knives. Check back daily. Zero Tolerance is suppose to have MAP pricing and many sellers dont follow, so we will price match just about any deals you see out there. Contact us for details.