METAL FRAMING, SINGLE TYPE; STRIP STEEL MATERIAL; HOT DIP GALVANIZED FINISH; 20 FT; 1.625 INCH; 0.813 INCH; 12 GAUGE THICKNESS; COLD FORMED HOT ROLLED PICKLED OILED PROCESS; 1 CHANNEL(S); 0.381 SQ INCH CROSS SECTION AREA; SUPERSTRUT[R] BRAND