Real African giraffe metacarpal (Giraffa camelopardalis) leg bone measuring approximately 19 inches long.  This bone is from a real giraffe and will have imperfections such as cracks, tiny holes, fine lines, and chipped edges. - Crack down center of bone. Review all photos. Giraffe leg bones are used for carving, scrimshaw art, making bone knife handles, and for numerous other craft projects.