... 3,no noise when swing 4,easy to bend 5,ISO9001 ItemsSC-6MaterialSpring wires & galvanized iron wireODfrom2mm-30mmLengthcustomizedThreadsM8/M10/ ... and cartonShipping termsDHL,UPS,TNT,EMS,FEDEX,etcPayment termsT/T,Western unionCertificationISO9001applications Goosenck has been widely used in holding ... of the products will be extremely smooth, and won’t change color after a very long time.4, Mass ...