Comparison : Item # HDSC-3-1/2-20-33, 3-1/2 x 3-1/16 x 2 Inch (in) Size and 560 Pound (lb) F1 Load (Jamb) HDSC Header Bracket
Item # HDSC-3-1/2-18-33, 3-1/2 x 3-1/16 x 2 Inch (in) Size and 832 Pound (lb) F1 Load (Jamb) HDSC Header Bracket
Item # HDSC-3-1/2-16-33, 3-1/2 x 3-1/16 x 2 Inch (in) Size and 1172 Pound (lb) F1 Load (Jamb) HDSC Header Bracket
Item # HDSC-3-1/2-16-50, 3-1/2 x 3-1/16 x 2 Inch (in) Size and 1680 Pound (lb) F1 Load (Jamb) HDSC Header Bracket
Item # HDSC-3-1/2-14-33, 3-1/2 x 3-1/16 x 2 Inch (in) Size and 1656 Pound (lb) F1 Load (Jamb) HDSC Header Bracket