... pulled by the thermal pultrusion moulding machine. The pultruded fiberglass square rod retains high strength property of glass fiber ... cutting, drilling, turning, polishing, tapping, etc.Fiberglass Square Rods Specification Fiberglass Square RodSize mmWxHLength mm4x4Customized lengthLength marking by meter5x56x66.3x6 ... , vehicles, toys, machine parts, electronic products, automotive antenna or car ...