Fiberglass rods 1. Materials: fiberglass, Resin & Fillers 2. Process: Pultrusion 3. Sizes: Custom fiberglass rods, fiberglass bar, fiber glass flat rod (FRP Rebar, ... transportation , communications , electronics, model toys , building materials , energy, etc. Sizes:1. Regular sizes: 6.5x15, 6.0x20, 8.0x20, 9.0x20 ... 822. Special Size: 6.35x3.175mm fiberglass rods, fiberglass bar, fiber glass flat rod