... OPGW OEM manufacturer ISO 9001:2000, Preformed Double Suspension Clamp for OPGW 1.Component: inner preformed wire,outter preformed wire, ... function,extend life. Order Notice:A. Choose the suitable suspension clamp according to the outter diameter of OPGW cable etc. parametersB ... : U type screw,U type shackle,UB type clevis) Preformed Double Suspension Clamp for OPGW