Made from knife grade stainless steel, it is razor sharp out fo the package. The ferrule is made from aircraft quality aluminum and offers perfect flight because it is spin tested for perfect alignment. The patented diamond tip can take on the toughest of hides and bone splitting penetration. Knife grade stainless steel with aluminum ferrule. Main blade is replaceable or can be sharpened. Diamond tips cuts on contact. 1 1/8" cutting diameter. .046" blade thickness.