QT Blue Ultra Penetrating Stain M520 is a high-performance wood stain engineered to deeply penetrate wood surfaces, offering superior protection and a vibrant blue finish. Perfect for both indoor and outdoor wood applications, this stain enhances the natural grain while providing long-lasting resistance against fading, moisture, and weather damage. With its fast-drying, easy-to-apply formula, QT Blue Ultra Penetrating Stain M520 ensures even coverage and excellent adhesion, making it ideal for decks, fences, and wooden furniture. This stain combines aesthetic appeal with durable protection to keep your wood looking fresh and vibrant for years to come.