Dog Tag Dog Tag Deluxe Survival Knife - DT002 Dog Tag Deluxe Survival Knife. 2 overall. One piece heat treated 440C stainless construction with razor sharp hollow ground edge. Reflective finish mirror with sighting hole for signaling. Lash down points for attaching to a handle. Notch for fire-striking ferrocerium rod (firestarter included). Protective sheath slides over blade. Engravable. Also includes button compass and 27" beaded neck chain. Hang packaged."