CORNER TYPE; ASTM A1018/A653/B633 STEEL MATERIAL; 2-1/4 INCH L X 1-5/8 INCH W X 2-1/4 INCH H SIZE; ZINC ELECTROPLATED FINISH; 1-5/8 INCH CHANNEL WIDTH; 7/32 INCH THICKNESS; HOT ROLLED PICKLED OILED PROCESS; 2 HOLE(S); 9/16 INCH DIA HOLE HOLE/SLOT SIZE