Fiberglass U-Channel, Material Fiberglass, Outside Base Width 3 in, Base Thickness 0.25 in, Outside Leg Length 7/8 in, Leg Thickness 0.25 in, Overall Length 5 ft, Standards ASTM E-84, Maximum Temperature 150 Degrees F, Tensile Strength 30,000 psi, Resin Type ISOFR, Shape U-Channel, Color Dark Gray, Length Tolerance +/-0.1875 in, Minimum Temperature -100 Degrees F, Overall Width 3 in, System of Measurement Inch, Width Tolerance +/-0.094 in