... 2. Process: Pultrusion 3. Sizes: Custom fiberglass rods, fiberglass bar, fiber glass flat rod (FRP Rebar, Fiberglass Rebar, Composite Rebar)Color: Any ... are customized, and can be made by flat, round, strip with groove etc.Features:1. Low Density2. High Strength, Tenacity, and ... .822. Special Size: 6.35x3.175mm fiberglass rods, fiberglass bar, fiber glass flat rod