Features:This impact screwdriver allows you to use your own hammer to loosen rusty or frozen screws and bolts with ease. This impact screwdriver features black oxide coating on the bits to prevent rust and chipping plus a textured handle for total comfort and control. This impact screwdriver is perfect for any home or professional toolbox to extract stuck screwsTextured handle for a firm gripFor use with your hammer to loosen frozen and rusted on screw BoltsReversible feature allows you to tighten screws and boltsPackage Included:1 x Impact Driver 4 x Phillips Bits (1， 2， 3， 4mm)5 x Slotted Bits (5， 6， 8， 10， 12mm)4 x Hex Bits (4， 5， 6， 8mm)1 x Storage Case