Old Southern Brass - 308 Real Bullet Casing Refillable Twist Pen: BRASS* One of a kind twist pen made from real once fired . 308 shell casings * Complete with a gift box that replicates a real rifle case aesthetically and functionally; Two working clasps and a hinged handle for a secure closure; A sleek tactical exterior and dense foam interior * Old Southern Brass is an American owned and operated company that is committed to giving back. We proudly dedicate a portion of our company profits to charities that benefit