Double-Flanged Square Tube Profile Double-Flanged Tube Profile Profile Height 1 in Wall Thickness 1/8 in Slot Width 5/16 in Flange Height 1/2 in Silver Anodized Aluminum 6063-T6 Nominal Length 4 ft 13 Series Inch Overall Length 48 in Profile Width 1 in Yield Strength 25 000 psi Number of Open Slots 2 Framing Type Press-Fit Tube Profile Type Double-Flange Resistance Properties Corrosion Resistant