From Marcrist
High performance, unrivalled drilling system. They drill the hardest of tiles with ease; leave clean precise holes in any tile however hard, with any drill, even cordless. Broken tiles are a thing of the past, along with the need for expensive specialist drills. Key Features Drills with absolute precision and tear free Drills up to 600 holes in hardest porcelain Does not drill, does not exist Drills exceptionally fast Extreme long life and therefore ultimately cost efficient For use on drills and cordless drills