... of automobile parts 1.wire diameter: 5-50mm 2.Material: 60si2MnA spring steel 3.Style: coil 4.HRC:46-52DEGRE torsion spring of ... automobile parts Product Detail 1.wire diameter5-50mm2.Material60si2MnA3.MOQ500pcs each item4 ... ,punctual shipment. Welcome to our factory! We're manufacture of Coil Springs for TOYOTA,NISSAN,MAZDA,BENZ,VOLKSWAGEN,DAEWOO,ETC ...