Ratcheting bits driver set supplied with 6 bits and a 1/4" square drive adaptor. 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. The overall length is 175mm. Contents: Driver:- 175mm Ratcheting Driver, Flat Bits:- 5 & 7mm, PH Bits:- PH1 & PH2, PZ Bits:- PZ1 & PZ2, Adaptor:- 1/4" Square Drive to 1/4" Hex Drive.