• Modeled after CIA Letter Opener - Tactical Knife
• Can be driven through objects with minimal damage
• Can be carried stealth and for protection and self defense
• Can be sharpened to a fine blade or used in original state for training and self defense
• It can also be worn on a lightweight cotton string around the neck or taped anywhere on the body
• Can be printed in PLA but for maximum strength PETG or ABS recommended