Fiberglass Square Tube Material Fiberglass Wall Thickness 0.25 in Color Yellow Inside Corner Shape Round Outside Corner Shape Round Outside Height 1 3/4 in Outside Width 1 3/4 in Inside Height 1 1/4 in Inside Width 1 1/4 in Overall Length 8 ft Maximum Temperature 180 Degrees F Resin Type VEFR Standards ASTM D-635 ASTM E-84 NSF Standard 61-Certified Tensile Strength 30 000 psi Wall Thickness Tolerance +/-0.020 in Type Square Product Type Square Tube Shape Square