CHANNEL TYPE; ASTM A907 STEEL MATERIAL; DURA GREEN FINISH; 18 INCH; 3-1/2 INCH; 1/4 INCH THICKNESS; HOT ROLLED PICKLED OILED PROCESS; 340 LB PER 100 PIECES WEIGHT; 400 LB LOAD RATING; 2 VERTICAL MOUNTING HOLE(S); B-LINE. BRAND