<p>Material: The pickled screw extractor is made of 4241 high speed steel. High hardness, durable and easily remove damaged screws. </p> <p> </p> <p> Size: The screw extractor includes 10 pieces of drill bits (sizes from #1-#10), 10 pieces extractor (sizes from #1-#10) 1 piece of extension bit holder and 1 piece of the socket adapter .ch offers a pattern specification to help you remove different sizes (1-12mm) of damaged screws or bolts. </p> <p> </p> <p>extension: the magnetic bit holder With an adjustable typeet collar can help absorb the high torque of new impact drivers.Quick Change Bit Holder solves the bit that the bit was not long enough to reach what you were trying to break through. </p> <p> </p> <p> Widely Usage: High precision Hole position, damaged bolts and ideal screw remover tools, suitable for most common drill bits and various sizes of screws or bolts, such as Allen bolts, machine screws, lathe bolts. drags, wood screws, hex bolts, sheet metal screws. </p> <p> </p> <p> Note: You'd better install them on the electric drill (suitable for basic electric hand drill) instead of the hammer drill when stripping the damage of Screws.in addition, must be reverse use in the whole process and in low speed and reverse use, or you will be injured. </p> <p> </p> <p> Note: It does not include other things, the color is based on the first picture, and other pictures only show the effect </p> <p> </p> <p> Due to the differences between different monitors, the picture may not reflect the actual color of the item. . </p> <p> </p> <p> Due to manual measurement. Please allow deviation. THANKS! </p> <p>becomeveryrich</p>