... resistant 4. UL,ISO9001,RoHS,6P testify Desc : Fiberglass telescopic composites tubeColor : Special Green 1. Colorful,UV resistant2. ... ,impact resistant4. UL,ISO9001,RoHS,6P testify Fiberglass telescopic tube .OD23mm x ID18mmOD30mm x ID26mmOD37mm x ID33mmOD44mm x ... We are factory specialized in these special fiberglass telescopic tubes .The telescopic tubes can be easily adjusted according to ...