17 piece drill set with direct holder for wood masonry and metal with direct hex holder fits all drill chucks and all collet holders suitable for wood masonry and metal packed in high quality wooden box exclusive to westfalia customers at last a drill set for every need the hex shaft of the drill bits can be held by all drill chucks and also means they can be used in rechargeable drilling screwdrivers with hex collets holders such as the westfalia impact screwdriver no 62 42 47 a comple