Z SUPPORT TYPE; ASTM A1018 STEEL MATERIAL; 3-1/2 INCH L SIZE; DURA-GREEN FINISH; B32 CHANNEL USED ON; 1-5/8 INCH CHANNEL WIDTH; 7/32 INCH THICKNESS; HOT ROLLED PICKLED OILED PROCESS; 2 HOLE(S); 9/16 INCH DIA HOLE SIZE; 1-3/8 INCH CHANNEL DEPTH