Chrome-Molybdenum Steel: Made From High-Quality Chrome-Molybdenum Steel, Ensuring Durability And Longevity, Perfect For Removing Stripped, Rusty, Or Frozen Bolts And Nuts. 3_8 Inch Drive: Compatible With Common To Heavy-Duty Power Tools, Drivers, And Screwdrivers Handle Tools, Making It Ideal For Professional And Home Use. Reverse Spiral Flutes Design: The Internal Thread With A Reverse Spiral Flutes Design Provides Maximum Gripping Power, Even On Rounded Or Damaged Bolts And Nuts. Suitable For Hand And Power Tools: The Extractors Can Be Used With 3_8 Inch Breaker Bars, Ratchets, Spanners, Or Wrenches, Offering Versatility In Various Repair Scenarios. Heavy-Duty Storage Case: Complete With A Useful Carrying Case For Quick And Easy Storage, Keeping All The Extraction Sockets Organized And Accessible. Experience seamless repair work with our Chrome-Molybdenum Steel Impact Bolt Extractor Set, designed to tackle stubborn bolts and nuts with ease. Perfect for professional mechanics and home enthusiasts alike, our set is crafted from premium Chrome-Molybdenum Steel, ensuring strength and resistance against wear and tear. With its reverse spiral flutes design, each extractor bites down firmly onto the damaged surface, providing the grip needed to extract even the most challenging bolts. Designed for compatibility with 3_8 inch drive tools, our set offers a versatile solution for various applications, making repairs faster and more efficient. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.