Use where other screwdrivers won't fit. Makes it easy to remove and install molding around fender wells with tires on car and other tight places. Place handle over the bit and turn. Reverse handle on bit to tighten. Handle can also be used on your 1/4" round shaft screwdrivers. Ratcheting action with infinite settings. Includes ratchet handle, straight slot bit and #2 Phillips bit assemblies.