GL Extra Dark Walnut Ultra Penetrating Stain M520 is a professional-grade, solvent-based wood stain specifically designed for maximum absorption and deep color saturation, even on dense or tight-grain hardwoods. Featuring a rich extra dark walnut tone, this stain brings out intense contrast and character in wood while maintaining natural grain clarity.
Its ultra-penetrating formula ensures quick absorption with minimal surface residue, making it ideal for both hand-wiping and spray applications. Perfect for flooring, cabinetry, doors, and millwork, the M520 stain delivers a uniform, long-lasting finish that’s compatible with a wide range of topcoats and sealers. For woodworkers seeking deep tones with unmatched consistency, this is your premium choice.
