The Alpen Keramo Extreme 10.0mm Tile Drill offers exceptional performance in tough tile drilling applications, including porcelain and granite. Brand : Alpen Size : 10.0mm Application : Suitable for all tiles, especially porcelain and granite Machine Compatibility : Designed for cordless machines, 18V combi drills (rotary only) Optimum Performance : Use low-speed setting with firm pressure Durability : Natural cooling between holes extends drill life Alpen 10.0mm Keramo Extreme Tile Drill Only