Kershaw 4057-0512 1905 Induction Folding Fully manual opening allows users full control over the function of the pocketknife, including increased stability and excellent security for peace of mind Pre-drilled holes allow for reversibility of the knife where the pocketclips are located for ambidextrous carry A sliding pen embedded in the knife, called the Hawk lock, slides in place with flick of a switch to keep the blade securely in place