Fiberglass Square Tube, Material Fiberglass, Wall Thickness 0.125 in, Color Dark Gray, Inside Corner Shape Square, Outside Corner Shape Square, Outside Height 2 in, Outside Width 2 in, Inside Height 1 3/4 in, Inside Width 1 3/4 in, Overall Length 10 ft, Maximum Temperature 150 Degrees F, Resin Type ISOFR, Standards ASTM E-84, Tensile Strength 30,000 psi, Wall Thickness Tolerance +/-0.019 in, Type Square, Product Type Square Tube, Length Tolerance +/-0.125 in, Minimum Temperature -100 Degrees F