https://www.youtube.com/watch?v=r8C4kcPLo-E
Whether you need to drive screws for woodworking or lag bolts for DIY and jobsite applications, Bosch’s new 18-volt impact drivers can accommodate with dual-purpose 1/4-in. hex and 1/2-in. square drive chucks. Jim Stevens shares the details of these innovative tools with senior editor Chris Marshall at IWF 2014.