“The pen is mightier than the sword” This is true of Voodoo Tactical's line of writing/defensive pens. They are made for the double duty of writing the grocery list and as a last ditch self defense tool. Our CNC machined aircraft aluminum pens have replaceable black ink cartridges (#07-3330) and are designed to take whatever abuse you throw at them. The Defiant with its substantial barrel and rounded tip that doubles as glass breaker is an ideal gift at graduation or when that special someone is promoted. Overall Measures 6". Weighs .12 lbs. Available in three colors. Please specify color.