For nearly 40 years, Allied international has been committed to satisfying what you look for in Hand Tools - products that perform at an outstanding value. We stand behind everything we build and a Guaranteed Forever warranty for the life of the product. Allied snap knife are a great way to cut when you need The sharpest of edge all the time. Within 10 seconds you can snap off the perforated blade and have a new cutting point for superior performance. The black end of the knife comes OFF to become the tool to snap the blade safely and quickly snaps back into place. This is a great item To have in home, office, auto and marine