An innovative multi-purpose tool, the Rothco Pen and Knife Combo becomes a silent protector, double-functioning as a standard pen and a hidden knife. The 2-1/2 inches long alloy steel blade is tucked away under a copper pen cap. With an overall length of approximately 5 5/8 inches, this tactical pen can easily go unnoticed in your pocket. This tool is not only a formidable choice for self-defense but also a smooth writer. This product is carefully packaged in compliance with the restriction on exports and is not for sale in certain countries outside the U.S.