... strength and dielectrical prope Model: Fiberglass Reinforced extruded Extension Rod/ Dog Bone/Duct Tube Electircal Insulation Fiber Reinforced ... Bone, Corner Angle, Flat, Hat, Rod, Square, Tube, Threaded Rod, Stud, Nut, Bolt.etc According to the costomers specific drawings ... products are Dog Bone, Corner Angle, Flat, Hat, Rod, Square, Tube, Threaded Rod, Stud, Nut, Bolt & Custom Built sections.