This one-of- a-kind pen’s body consists of an actual once fired 50 Cal cartridge shell and a bottle opener. The pen features genuine Rattler snakeskin barrel and a smooth twist action mechanism. The overall length is 5.25 inches. Refill is a Cross type and can be purchased at most office supply locations. This quality pen will make the perfect gift for any outdoorsman’s birthday, anniversary or special occasion. The pen will be shipped enclosed in a black suade pouch. An exceptionally unique gift that never goes out of style and creates an everlasting impression.