SQUARE TYPE; ASTM A1018 STEEL MATERIAL; DURA-GREEN FINISH; 1-5/8 INCH; 1-5/8 INCH; 7/32 INCH THICKNESS; HOT ROLLED PICKLED OILED PROCESS; 7/16 INCH DIA HOLE SIZE; 3/8 INCH BOLT/ROD SIZE; USED ON FLAT PLATE FITTING CHANNEL; B201 MODEL