Aluminum Channel 6061,8 ft Overall L
15 in, Outside Base Width 4 in.77 in Inside Height, Leg Thickness 0.Aluminum U-Channel 6061, Aluminum, 6061, T6, U-Channel, U-Channel Profile Type Aluminum Association, 8 ft Overall Length, 2 in Outside Leg Length, 3 9/16 in Inside Base Width, 1.23 in, Leg Inside Corner Shape Round, Fabrication Extruded, Heat Treatable Yes, Mechanical Finish Mill, Yield Strength 40,000 psi, Tensile Strength 45,000 psi, 95 Brinell Hardness, 60 Rockwell Hardness, Includes Material Certificate Yes, Base Thickness 0.