Allway Tools, SD41, 4 In 1 Composite Shockproof Fiberglass Screwdriver, Multi-bit screwdrivers 4-in-1, Four in one screwdriver with hi-torque patented fiberglass, reinforced nylon construction. Great non-slip grip and is shock proof; UL tested at 2,000 volts. A rare earth magnet retains both bits and screws. Includes (2) Phillips and (2) slotted standard power bits which are all retained in the handle.