The BA is designed for engineered wood and solid sawn lumber applications. This top-flange hanger can carry medium loads with solid sawn lumber and higher loads with engineered wood products. The BA features minimum nailing with positive-angle nailing (PAN) to target moderate load conditions and maximum nailing to support higher loads. BA Top-Flange Joist Hanger for 3-1/2 in. x 18 in. Engineered Wood (Pack of 15).