The Alpen Profi Keramo 6.5mm x 100mm Tungsten Carbide Rotary Ceramic Drill is specially crafted for delicate materials, ensuring accurate and clean drilling in tiles, ceramics, and marble when used with cordless rotary drills. Brand : Alpen Size : 6.5mm x 100mm Material : Tungsten carbide tip for enhanced durability Application : Ideal for tiles, ceramics, and marble Machine Compatibility : Suitable for cordless drills on rotary-only settings Performance : Clean, precise drilling with no impact