R.L. Colston 3/4 in. 1 Common White Oak Unfinished Solid Hardwood Flooring 3.25 in. Wide, $3.79 USD/Box, LL Flooring (Lumber Liquidators)

Features include White Oak species, natural wood grain texture, and a thickness of 3/4 in. It measures 3.25 in. wide, with lengths of 12 in. and up to 84 in. Suitable for above and on-grade installation using nail, glue, or a combination of both. Note that it does not come with residential or commercial warranties.