The EVERMARK 48 in. x 11-1/2 in. unfinished oak stair tread has 1 in. thickness of natural, unfinished, red oak and supports and adds strength to a stair case. Designed for interior use, our red oak stair tread can be stained to match your other stair parts or surrounding decor. This stair tread will fit stairs up to 48 in. in width and accommodates tread runs up to 10-1/4 in. For a solid installation of treads, put a bead of construction adhesive on the stringer before installation. From stair treads, stair railing, and a complete selection of stair parts, Evermark has what you need to make your stairs beautiful. Color: Unfinished Red Oak. Material: Wood.