METAL FRAMING, SINGLE TYPE; LOW CARBON STEEL MATERIAL; PRE GALVANIZED FINISH; 20 FT; 1-5/8 INCH; 1-3/8 INCH; SLOTTED CONFIGURATION; 12 GAUGE THICKNESS; COLD FORMED PROCESS; 1.59 LB/FT WEIGHT; 3 INCH CENTER SPACING; 1 CHANNEL(S)