African Giraffe Radius with Ulna Leg Bone (Giraffa camelopardalis) for sale, measuring approximately 39 inches long. - Review all photos. This bone is from a real giraffe and will have natural imperfections such as cracks, tiny holes, fine lines and chipped edges. Giraffe leg bones are used for carving, scrimshaw art, making bone knife handles, and for numerous other craft projects.