The Zero Tolerance 0452CF is based on the 0454, a Zero Tolerance and Dmitry Sinkevich collaboration, and is very similar to it. It features the two-tone, satin and stonewash, finish on a S35VN blade. It has a carbon fiber front scale and a stonewashed titanium back scale that doubles as the frame lock. It also uses the KVT ball-bearing opening system for easy one-handed opening using the built-in flipper. The 5-spoke pivoting hardware completes this knife. Zero Tolerance had only a few things in mind when creating and designing their knives. They wanted to make them with top of the line materials as well as being able to stand up to heavy-duty use. A lot of their knives are in collaboration with top knife makers such as Rick Hinderer, Todd Rexford, Jens Anso and Dmitry Sinkevich. Zero Tolerance initially only produced combat knives but have since added a variety of everyday carrying and premium knives, built with the same ?OVERBUILT? designs as their knives that are tailored towards military and law enforcement.