Eco Pultrusions Fiberglass Pultruded Bar 48inchx1/2inch Fiberglass Rebar (3pack) Fiberglass Material, Non-Corrosive, can be exposed to wide variety of corrosive elements High Strength-to-Weight Ratio, provides good reinforcement in weight sensitive applications Reinforcement for concrete and construction of road, bridge, road, etc, station, water project Light Weight, easy to be transported, no need of lifting equipment, saving machine and manual cost 48 inch length by 1/2 inch diamater, 3pack