Professional Tools: This set of screw extractors quickly and easily removes broken screws, pipes, bolts, and studs. Suitable for pipe thread correction. Ideal for home use and professional technicians, with long service life. Includes 6 different sizes for various diameter screws. Made of high-quality chrome vanadium steel, these extractors are durable and effective on most screws. Some drill bits can be used to drill holes in wood, metal, plastic, brick, and walls. Easy to use: drill a hole in the center of the broken screw using a suitable drill bit, then insert the appropriate extractor to remove the screw. Drilling diameters and recommended extraction sizes are clearly marked on the housing. Use a tap handle or adjustable wrench to securely hold the extractor during use. Always wear eye protection and protective clothing when operating near power tools. Specifications: Condition: Material: Chrome vanadium steel Weight: Approximately 233g (8.2oz) Package List: 6 x Screw Extractors 1 x Storage Box Note: Do not apply uneven force when using the tool; ensure even pressure. Note: Manual measurements may vary by 1-6 cm. Color may vary slightly due to lighting and screen differences. Actual product takes precedence over images.