Ratcheting bits driver set supplied with 7 double ended screwdriver bits. The bits driver features a magnet that holds the screw (steel, etc.) as well as the bit, a reversible ratchet with forward, reverse and fixed settings and a bi-material handle with storage in the handle for bits. Hex Bit Sizes - 4, 6mm. Phillips Bit Sizes - Ph0, Ph3. Pozidriv Bit Sizes - Pz1, Pz2. Torx Bit Sizes - TX10, TX15, TX20, TX25. Driver Settings - Clockwise, Anti-Clockwise, Locked.