SHAMAN® Pin Burnt Orange Crucible® CPM REX 45 SPRINT RUN™ C229GPBORESpyderco Shaman Sprint Run Folding Knife 3. 58" CPM REX 45 Stonewashed Plain Blade, Burnt Orange Handles C229GPBORE Crucible CPM REX 45 is a super high speed particle metallurgy tool steel enriched with large volumes of cobalt, tungsten, molybdenum, and vanadium. Its high cobalt content increases the steels attainable hardness and enhances the positive properties of the steels other alloys. The addition of vanadium promotes the formation of vanadium