Our universal joint crosses are of high quality. From forging to assembly, we pay attention to good-looking appearance and exact machining via strict tolerance control. They are of eligible heat-treatment and perfect packaging. Features: 1, Product model: automobile part cross 5-212X Material: 20Cr or 20CrMnTi steel 2, Skin hardnesses: 58-64HRC 3, Internal degree of hardness: 20Cr:25-45HRC 20CrMiTi:33-48HRC 4, Weght: Net 540 g Gross 580 g