METAL FRAMING, BACK TO BACK COMBINATION TYPE; CARBON STEEL MATERIAL; PRE-GALVANIZED FINISH; 10 FOOT; 1-5/8 INCH; 3-1/4 INCH; SOLID CONFIGURATION; 12 GAUGE THICKNESS; COLD FORMED, ROLL FORMED PROCESS; 3.82 POUND PER FOOT WEIGHT; 2 CHANNEL(S)