Disengage With Ease The ARES 1/2-inch Drive Manual Reversible Impact Driver allows you to loosen frozen bolts, rusted body panel fasteners, and corroded brake calipers with just a few strikes of a hammer and without causing damage. With four interchangeable bits to choose from with Precision-Milled Tips for exact fit, you'll save yourself the enormous hassle of having to drill and tap many of even the most stubborn fasteners.Download manual > Features: Includes: Storage Case, 1/2-inch drive manual impact driver, 1/2-inch drive bit chuck, and 4 pc. screwdriver bits Two 5/16-inch hex shank Flat Heads- 5/16-inch and 3/8-inch Two 5/16-inch hex shank Phillips Heads #2, #3 Bits have Precision-Milled tips for exact fit Impact driver has Corrosion-Resistant Chrome plated finish Non-slip knurled grip Strike top of tool with hammer to turn drive tang 20 degrees in desired direction Can be used with impact sockets, on nuts, bolts, and other fasteners  What Our Customers Are Saying: "This thing saved me from having to drill and tap a large nasty Phillips Head screw. Just 3 good blows and it came out. For that one use alone I give it 5 stars." "EXCELLENT. I was able to use this to change the car rotor without stripping the little screw." "WHEN YOU NEED THIS TOOL, YOU NEED IT BAD. I have used it on occasion a bunch of times to LOOSEN rusted items, and it always works, because the hammer blow really helps."