2 screwdrivers in 1. Allows you to work 3.5X faster than ordinary screwdrivers in low torque applications while in speed mode. For more power and greater torque, use the standard mode. Contains handle, 3 slotted bits (3/16, 1/4, 9/32 in.), 3 Phillips bits (P1, P2, P3), 2 Torx bits (T15, T20). Extra bits store in the handle. Patented switching mechanism and planetary gear system. Tools->Hand Tools, General Purpose->Screwdrivers