SLOTTED BRACKET, LEFT BRACED TYPE; ASTM A1018/B633 STEEL MATERIAL; ELECTROPLATED ZINC FINISH; 10 INCH; 2-15/16 INCH; CHANNEL USED ON; 1-5/8 INCH CHANNEL WIDTH; ISO 9001 APPLICABLE STANDARD; HOT ROLLED, PICKLED, OILED PROCESS; 325 LB LOAD RATING