The Alpen 5.50mm x 99mm Profi Masonry Hex drill bit is expertly designed for precision drilling in masonry materials. Featuring a robust 1/4" hex shank, this drill bit ensures a secure fit in standard drills and impact drivers, allowing for efficient and effective drilling. Key Features: Durable Construction : Made from high-quality materials for enhanced strength and longevity. Versatile Application : Perfect for drilling precise holes in various hard materials, including brick and concrete. Precision Engineering : Provides accurate and clean holes, making it ideal for both professionals and DIY enthusiasts. Brand : Alpen