Bosch psr cordless 2 speed drilldrivers bosch diy 06039a3170 this drilldriver from bosch is an ideal companion for professional tradesmen and diyers looking for a high performance tool which is both easy and quick to use the driver has been manufactured to a high standard and is equipped with a host of excellent features including the no memory effectno self discharge allowing the tool to always be ready for use thanks to lithium ion technology the changeable lithium ion battery pack a