Klein 33805 ProFlex Impact Screwdriver Bit and Socket Set, 38-PieceS2 Impact Rated Steel torsion zone bit and socket set with 6 essential socket sizes and 29 unique bits Adjustable length Cushion Grip screwdriver with quick adjust push button Powerful magnet inside barrel to better retain bits, as well as pick up and hold fasteners Small parts storage tray inside the case to secure loose fasteners, washers and extra bits Compact, modular storage system is compatible with MODbox and stackable with other cases of its