... aluminum shell. 2.Usage:supporting,make OPGW cable hang on the pole and tower. 3.Features:a,stress on average,no concentration ... .It can provide enough grip strength(14%-18%RTS) c,the suspension angle meet 15 angle~18 angle d,rubber inserting make ... resist-corrosion function,extend life. Order Notice:A. Choose the suitable suspension clamp according to the outter diameter of OPGW cable etc. parametersB ...