Bosch GDR 18V-200 18v Brushless Impact Driver (Bare Unit)

Powerful use even in hard to reach areas thanks to best head length,Longer runtime and lifetime thanks to brush-less EC motor with Electronic Motor Protection (EMP)
Impact drivers have an internal hex chuck to fit hexagonal screwdriver bits. They are used when an additional impacting force is required to drive the screw home. The internal hex collet has a spring loaded pull back sleeve for insertion & ejection of the bit. A ball bearing retains the socket which has a recess for this purpose.