This theme pen features a 30:06 cartridge with an English Walnut top, rifle clip, and copper bullet nib. The top is a beautiful hand turned piece of English Walnut, coated with 5 coates of cyanoacrylate to protect it and polished to a high luster. Great gift for the sportsman in the family. Uses a Cross style refill and measures approximately 7/16th inches in diameter and 5 1/2 inches long. Mechanism is a twist style. Comes in a gray velvet gift box.