Species : Black cherry, Black walnut, Grey elm, Hard maple, Red elm, Red oak, Soft maple, White ash, White oak, Yellow birch Grades : Fas/f1f, 1 common, 2 commom Thicknesses : 4/4, 5/4, 6/4, 7/4, 8/4, 10/4, 12/4. Random width and lenghth kiln dried & green lumber Fixed lengths Fixed widths (pulled widths or strips ripped two edges to fixed width)