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