W-Beam, ISOFR, Gray, 4x4 In, 1/4 In Th, 20 Ft, Fibergrate, Mfr#: 871090

Fiberglass W-Beam, Material Fiberglass, Type W-Beam, Color Dark Gray, Height 4 in, Thickness 1/4 in, Width 4 in, Length 20 ft, Maximum Temperature 150 Degrees F, Minimum Temperature -100 Degrees F, Resin Type ISOFR, Length Tolerance +0.125 in/-0.125 in, Series Dynaform, Type Wide Flange, Shape W-Beam, Tensile Strength 30,000 psi