Loosens nearly all damaged, unhardened and even rusty screws without the need for any thread repair tools. cheap and low-quality screws are used more and more meaning you will come across damaged/rounded screw heads more often. With the all-new Matador Screw IT! Extractor all you need to do it place the tip of the Screw IT! on top of the damaged/rounded screw and bash the top of Screw IT! with a hammer, then unscrew the screw - done, it's that easy!