... higher tensile strength and greater fatigue strength. Specification:1. Simplex:08A-1, 10A-1, 12A-1, 16A-1, 20A-1, 24A ... , 48A-1, 56A-1, 64A-1,72A-1.2. Duplex: 08A-2, 10A-2, 12A-2, 16A-2, 20A-2, 24A ... , 48A-2, 56A-2, 64A-2, 72A-2.3. Triplex: 08A-3, 10A-3, 12A-3, 16A-3, 20A-3, 24A ...