25pcs MultiSpline Screw Extractor Set Wide size range for versatile use: includes 25 pieces with sizes from 1/8 inch to 7/8 inch, enabling compatibility with a variety of screw or bolt sizes. Efficient removal for damaged fasteners: designed to extract broken screws, bolts, studs, fittings, and threaded pipes. The spiral groove embeds quickly into damaged screws, enabling fast and effective removal when conventional tools fail. Compatible with hex head bit socket wrenches. Durable and reliable construction: made of metal to withstand tough jobs. Each extractor is clearly stamped with its size for easy identification and quick selection. Convenient organization and storage: comes with a plastic storage case that keeps all 25 extractors organized and easily accessible, reducing the risk of losing pieces. Practical use scenarios: Automotive maintenance: remove broken bolts or studs in engines and suspensions where standard tools can't grip. Plumbing repairs: extract damaged or stuck threaded fittings and pipe connections without acrosstheboard damage. Home and furniture : recover stripped screws in cabinets, furniture, doors, and equipment for reliable reassembly.