The Alpen Profi Keramo 12.0mm x 150mm Tungsten Carbide Rotary Ceramic Drill is perfect for drilling larger holes in tiles, ceramics, and marble, offering high efficiency and precision with cordless drills. Brand : Alpen Size : 12.0mm x 150mm 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