The aluminum FAT BOY pen line is Michael\’s latest designs incorporating his U.S. Patents and an extra wide barrel for gripping comfort. Each pen is machined in the U.S.A. from aircraft quality billet aluminum bars and assembled using the highest quality retractable mechanisms from Germany & genuine Parker Gel refills from the Parker Pen Company. Each FAT BOY aluminum pen comes stock with a Parker Gel Refill (Med/Blk Ink) and is packed in a distinctive gift box with a Michael\’s pen story / refill instruction booklet inside.