【Meet Various Needs】The screw extractor not only provides many ways to unscrew the damaged screw, but also provides bolts of different sizes (2-12 mm). It can also handle irregular and uneven screws and bolts. 【High Quality】The HSS material has the best anti-rust and anti-corrosion performance and is durable. The notch on the extractor bit creates more force for hard-to-remove bolts. 【Easy to Use】With the adapter holder and extension rod, the damaged screw can be easily removed without wasting time and energy, and the operation is simple and convenient. Pay attention to safety when using. 【Fitments】The extended blade holder (6.35mm) and socket adapter (4mm) of the screw removal kit are suitable for most electric drills. The internal magnetism provides support and the adapter prevents the needle from falling. 【Wide Application】Works with almost all drill bits, bolts and screws (2-12mm). Ideal for stripped screws, machine screws, lag screws, wood screws, hex bolts, sheet metal screws.