The compact version of the Fulcrum from Extrema Ratio but it's just as sturdy and hardworking. Anyone lucky enough to strap this knife to their side will find that this blade is strong, durable, capable, and easily concealed. The Fulcrum C was made for rapid use, and the sheath has a single automatic pressure activated security lock for this quick-on-the draw purpose. Therefore, the knife is perfect for emergency or self-defense use. The blade is full tang, a tough tanto, and partially serrated.