... carbon steel. Therefore, fiberglass flag poles are substitute for metal flag poles. Fiberglass Flag Poles Features○ Light weight, ... available, cutting, drilling, turning, polishing, tapping, etc.Fiberglass Flag Poles Specification Diameter range: Φ5.00 ~ Φ50.80mm ... and transportation temperature: -40°C ~ +80°CApplicationFlagpole, flag banner pole, sign post, X banner pole, roll up banner pole, etc