Aluminum U-Channel, Aluminum, 6063, T52, U-Shaped, U-Channel Profile Type Architectural, 24 in Overall Length, 2 in Outside Leg Length, Leg Thickness 0.25 in, Leg Inside Corner Shape Square, Fabrication Extruded, Heat Treatable Heat Treatable, Mechanical Finish Mill, Yield Strength 21,000 psi, Tensile Strength 27,000 psi, 60 BHN Brinell Hardness, 17 HRB Rockwell Hardness, Includes Material Certificate Material Certificate with Lot Number, Base Thickness 0.25 in, Outside Base Width 2 in