Application: Ideal for stripping, breaking, stuck or damaged and for removing screws. It is the best tool for carpenters, repairers, contractors, handymen. Different Sizes: 0, 1, 2, 3, 4 , it can be used on any screw type/size. Material: These extractor bits are made of high speed steel (HSS 4341) . Easy to remove: Easily remove stripped, painted, rusted or rounded screws and bolts. Practical gift: The damaged screw extractor makes an amazing gift for any occasion. Whether it's for a birthday, Father's Day, or any other occasion, your loved ones will be thrilled to receive this premium quality gift. rounded. Excellent for removing stripped, broken, stuck or damaged screws. It is the best tool for carpenters, repairers, contractors, DIYers. Product Features: Size: 0, 1, 2, 3, 4. It can be used on all types of screws/sizes. Material: These extractor bits are made of high speed steel (HSS 4341). Contents: 6 screw extractors. 1 plastic case