Achieve flawless and high-quality finishes with the Minwax 3.75 Oz. Walnut Wood Putty, perfect for a variety of surfaces and creative applications. Minwax wood putty is an easy-to-use putty for filling nail holes and covering other minor imperfections on interior wood surfaces. Formulated for use on bare, painted, stained, and finished wood Minwax wood putty is easy to use, requires no sanding, and is color matched to Minwax wood finish stains.. Whether you're touching up furniture, customizing crafts, or completing a professional project, this paint provides a reliable and high-quality finish.