The WH18DSDL impact driver, Featuring an industrial grade 2-piece motor with up to 1510 in-lbs. of torque, is designed to handle the toughest jobs. Whether the task is sinking lag bolts, driving machine screws, fastening decking screws, or just tackling miscellaneous work around the shop, this workhorse will do it. The WH18DSDL features an 18V Lithium Ion battery that boasts three times the running time of traditional NiCad impact drivers, yet weights half as much. With the added convenience of an ambidextrous metal belt hook for easy stowing, a two-step power switch to conserve battery power, a built-in LED work light, and externally accessible carbon brushes, this impact driver can’t be beat.