• Sinto wood filler fills small holes and cracks in wood, smoothing out imperfections. • Use for interior and exterior wood finishes, without shrinkage. • Ready-to-use formula, solvent-free and odorless. • Can be sanded, drilled, and screwed without leaving a trace. • Instructions for use: clean, sand, and dust the surface. • Apply in thin layers, let dry, and repeat. • After 4 hours, sand with fine grit and dust off. • Can be worked for 30 minutes before it begins to harden.