The Crawford Model 1 is made from Japanese 4034 Stainless and is hollow ground to a thin” razor edge that will cut at the slightest touch. And” because a flipper is integrated into the tang” it can be opened lightning fast! The handle of the Crawford Model 1 is made from a strong (yet economical)” glass reinforced nylon that includes traction rubber inlays” and a low-profile pocket clip. To keep your fingers safe from potential harm” Cold Steel has equipped the Crawford 1 with a leaf spring lock” and a (patent pending) secondary safety mechanism that” when engaged is extremely resistant to shock and impact.