Handle is a Deer Leg bone and blade is made of Obsidian. Flintknapper, Dale Duby reproduce the stone tools and weaponry of vast bygone eras using only the finest obsidian. Dale recreates these items by many of the same techniques used by pre-historic man. Grinding, abrading, percussion and pressure flaking are terms used by today's modern flint knappers. Total Length: 8" inches Certificate of Authenticity card included.