METAL FRAMING, SINGLE TYPE; ASTM A123/A153 STRIP STEEL MATERIAL; HOT DIPPED GALVANIZED FINISH; 20 FT; 1.625 INCH; 1.625 INCH; SOLID CONFIGURATION; 12 GAUGE THICKNESS; COLD FORMED HOT ROLLED PICKLED PROCESS; 1 CHANNEL(S); 0.557 SQ INCH CROSS SECTION AREA