... move *anti-UV, anti-corrosion *big size range Fiberglass channel are of the following features:1) Reinforcing materials namely roving ... configurations including. Angles, I-beam, wide-flange beams, channels, bars, round and square tubes, custom shapes are available, too. ... for a specific rod or tube size.Channel/BeamAngles, I-beam, wide-flangebeams, channels, bars, round, and square Tubes, Custom shapes ...