Milwaukee Impact Driver provides fast driving speeds and maximum power in a compact design. For greater versatility, the 4-Mode DRIVE CONTROL provides greater control of output speed and power. An impact driver’s primary purpose is to drive large fasteners. With the use of an adapter, it is easier to drive long screws and delay bolts by an impact motor. Milwaukee Impact Driver Compact and less weight for even more comfortable work batteries. Premium rubber overmold withstands corrosive materials and provides increased comfort when in use. Impact Driver is an all-purpose drill that can perform a variety of different functions. The vast majority of drills will have a hammer setting, this gives the drill an impact force as well as the rotational force allowing you to drill into concrete and masonry. These drills have a normal forward function like a traditional drill.