CORNER GUSSET, LEFT HAND TYPE; ASTM A1018 STEEL MATERIAL; 3-15/16 INCH L X 1-7/8 INCH W X 3-1/2 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