The Smith & Wesson Stylus Tactical Pen is made of CNC machined black T6061 Aircraft Aluminum. It has a screw cap with replaceable stylus tip. A pocket clip and one Schmidt P900M Parker style black ball point ink cartridge is included. The overall length of this pen is 5.4 inches. 5 1/2" overall. Grooved black finish T6061 aircraft aluminum construction with black finish pocket clip. One end is pointed which could be used as a very effective defense tool. Other end is a soft stylus which can be used on most touch screen devices including iPad, Droid smart phone, Kindle eReader, etc. Unscrew the stylus cap to expose writing tip. Black ink. The cap can be screwed onto the opposite end of the pen for easy storage. Weight 1.2 oz.