The Smith & Wesson M&P Silver Tactical Black Pen is a Kubaton with a CNC machined 6061 T-6 aluminum body. The cap pulls off s to reveal a black in ball point pen and the other end is pointed for serious work. Includes a heavy duty pocket clip. This pen is a personal protection weapon. A personal protection weapon that actually writes! The M&P version varies from the original version in that the cap pulls off and sticks to the other end. It also has different machining on the body. 5.7"