ADJUSTABLE, CORNER TYPE; ASTM A1018 STEEL MATERIAL; 8-5/8 INCH L X 3-3/4 INCH H SIZE; DURA-GREEN FINISH; 1-5/8 INCH CHANNEL WIDTH; ISO 9001, UL 5/203 APPLICABLE STANDARD; 7/32 INCH THICKNESS; HOT ROLLED PICKLED OILED PROCESS; 4 HOLE(S)