The Arcform Theory is a contemporary take on the traditional titanium folding knife, focusing on simplicity and practicality. Designed with a commitment to providing only the necessary features, every aspect of this knife is carefully considered. Featuring a wide Bohler M390 blade at its core, the knife delivers smooth action with the help of ceramic bearings. A distinctive feature of the Theory is its titanium thumb studs, precision milled to provide excellent grip and comfort when opening the blade. We believe that if you choose an Arcform Theory, you won't be disappointed.