high strength pole, used as strained condition packing(such as minor diameter packing) ... used in hot environment.the specification of the high strength fiberglass pole is as below:6.0mm,6.35mm,6.9mm,7 ... .5mm,9.5mm,11mm,12.7mm,15.8mm,high strength pole,used as strainedcondition packing(such as minor diameter packing)or ...