¡Ü All components are alloy steel. ¡Ü 360¢ª Swivel and 180¢ª pivot action. ¡Ü Rated at 5 : 1 strength factor. ¡Ü Heat treatment : Quenched and tempered. ¡Ü Finish : Black oxide on surface. ¡Ü Clevis, Base, Clevis Pins. Washer and Bushing are magnetic particle inspected.