... Model: Fiberglass Reinforced extruded Extension Rod/ Dog Bone/Duct Tube Electircal Insulation Fiber Reinforced Pultruded T ... transformers, chocks, switchgears, lightening arrestors, OLTC, Antennas, cable trays, and motor wedges. All pultruded sections for electrical, ... infrastructure and other engineering applications. The pultruded products are Dog Bone, Corner Angle, Flat, Hat, Rod, Square, Tube ...