Para taladrar gres, gres porcelánico, granito y mármol. Usar siempre refrigeradas con agua y taladro eléctrico sin percutor.
http://www.rubi.com/products/es-ES/perforacion/brocas-diamante--corte-humedo.php
El producto mostrado puede no corresponder exactamente con el modelo actual.
To drill granite, marble and any kind of tiles with electric drill. Always use cooled, with water and non-hammer electric drill.
More info: http://www.rubi.com/products/en-US/perforation/diamond-drill-bits--wet-cut.php

The displayed product does not correspond exactly with the actual model.