Fiberglass rod Over 15 year producton experience Dia. from1mm ... fibreglass pultruded profiles are available in standard configurations including. fiberglass rod, Angles, I-beam, wide-flange beams, channels, bars, ... due to wall thickness. Please inquire for a specific rod or tube size.Channel/BeamAngles, I-beam, wide-flangebeams ... Please inquire regarding a specific requirement. pultruded fiberglass rod