Plastic wood, 4 oz, walnut color, cellulose fibre wood filler, high performance, solvent based wood filler that hardens to give a surface & body that looks & acts like real wood, can be sanded, stained, cut, drilled, planed, varnished, painted or lacquered, repairs cracks, gouges & scratches in wood, ideal for large deep holes, interior & exterior use, meets federal spec tt-f-340c.