Get corded driving performance with flexibility of a cordless tool with the Bosch 18V EC 1/4" and 1/2" Socket-Ready Impact Driver Kit (IDH182-B24). The socket-ready Impact Driver has both a 1/4" quick-change hex and a 1/2" square drive chuck for maximum versatility. The powerful, brushless motor provides up to 1,650 in-lbs of torque and up to 3,200 BPM, making it capable of taking on the most demanding fastening applications. An integrated Performance Control System adjusts the impact driver's three torque and speed settings for precise fastening, while the hammer and anvil system provide maximum impact endurance. Bosch's CORE 18V system features next generation lithium-ion technology that produces 80% more power than previous batteries in a much more compact form. The CORE 18V batteries reach a full charge in less than 55 minutes and are backward and forward compatible with all Bosch 18V tools and chargers.