* The tools are of appropriate quality for drilling on ceramic tiles and glass * They have sharp tip for perfect centring of drill and the bit does not slip while drilling * Bits have appropriate geometry for effective drilling * Bits have apt quality for required durability * worth for the money

* The tools are of appropriate quality for drilling on ceramic tiles and glass * They have sharp tip for perfect centring of drill and the bit does not slip while drilling * Bits have appropriate geometry for effective drilling * Bits have apt quality for required durability * worth for the money

* The tools are of appropriate quality for drilling on ceramic tiles and glass * They have sharp tip for perfect centring of drill and the bit does not slip while drilling * Bits have appropriate geometry for effective drilling * Bits have apt quality for required durability * worth for the money