Designed for cordless low /min multi-purpose drilling. In tests they produced between 90-129% more holes per battery charge than leading competitors. Four-facet ground carbide tip for lower drilling pressure and better centring. Combined drilling into wood and brickwork: the Cordless Drillbit is excellent for such drilling jobs - where you drill through wood into brickwork. Only one drillbit is needed to do the job and will drill a wide selection of different materials like: Brickwork Ceramic Tiles Breeze Block Wood Dry Wall Gypsum Board Limestone Slate Marble Eternite Plastics/Reinforced plastics