Rabbetted Jamb
8606
1 1/16 x 5 1/4
8607
1 1/16 x 7 1/4
Jambs available in Poplar, Red Oak and Honduras Mahogany.
1 1/16 x 5 1/4 
1 1/16 x 7 1/4 1 1/16 x 5 1/4 1 1/16 x 7 1/4