BACK TO BACK COMBINATION TYPE; STRIP STEEL MATERIAL; GOLDGALV. FINISH; 20 FT; 1.625 INCH; 1.626 INCH; 12 GAUGE THICKNESS; COLD FORMED HOT ROLLED PICKLED OILED PROCESS; 2 CHANNEL(S); 0.762 SQ INCH CROSS SECTION AREA; SUPERSTRUT. BRAND