Enrique Pena Custom Knives is precision at its finest. When compared to other makers, Enrique has risen to a level of rare air. It all began in 2006 with solely traditional style folders but now his has spread his talent into the tactical world using high end materials and finishes. Now Enrique has designed for many genres including this tactical pen deemed part of the X series. Like many makers Enrique opted to use the talents of Reate Knives to make a production model with the high end materials he relishes but in a more affordable price point for his consumers. So the X-Series was born and this pen is just that.