This Alpen 5.5mm x 150mm Tungsten Carbide Masonry Drill is designed for clean and efficient drilling in concrete, brick, and stone. Its high-quality tungsten carbide tip provides durability and precision. Brand: Alpen Size: 5.5mm x 150mm Material: Tungsten carbide-tipped Application: Suitable for concrete, brick, and natural stone Durable Design: Precision-ground tip for accurate drilling Versatile Use: Designed for use with percussion and rotary drills