Unfinished Domestic Hardwood Flooring OA2U - Unfinished Generic Utility 3/4 x 2 1/4 Oak Flooring Will have defects- knots- open knots- missing tongues- machine burns- splits in the wood and short pieces (12-8). No returns-no warranty- and no cancellations. This product comes in square-edge or v-groove and my be mixed product. UtilityWill have defects- knots- open knots- missing tongues- machine burns- splits in the wood and short pieces (12-8). No returns allowed. This product comes in square-edge or v-groove and my be mixed product