Alpen 5pc Tungsten Carbide Masonry Drill Bit Set The Alpen 5pc Tungsten Carbide Masonry Drill Bit Set is designed for superior performance in concrete, brick, and natural stone. These long-life drills feature milled flutes that optimise both percussion and rotary drilling, ensuring efficient and precise results. Supplied in a sturdy, clearly marked case for easy organisation, this set is perfect for professionals and DIY enthusiasts alike. Features: Masonry Drill Type: Specifically designed for drilling into hard materials. Long Life: Constructed for durability and extended use. Milled Flutes: Enhanced performance for percussion and rotary drilling in concrete, brick, and natural stone. Sizes Included: 4mm, 5mm, 6mm, 8mm, 10mm. Brand: Alpen Packaging: Supplied in a sturdy, clearly marked case for easy organisation.