Feature:1. [Versatile 25 Piece Set] This hex screw extractor set includes a variety of sizes to cater to different needs, allowing for easy selection and use as required.2. [40Cr Made] Crafted from 40Cr, these extractors have high hardness, resistant to slipping, feature high temperature quenching, less prone to breakage, ensuring durability.3. [Deep Spiral Twisted Pattern] The deep spiral twisted patterns are specifically designed for rusted hex screws, providing effective removal in challenging situations.4. [Compatible with Various Tools] Suitable for use with cross wrench, open end wrench, pneumatic wrench, and other tools, enhancing flexibility and versatility.5. [Wide Range of Applications] Ideal for roof repairs, workshop maintenance, mechanical workshops, tire nuts, and more, offering practical solutions for a variety of situations.Specification:Item Type: Hex Screw Extractor SetMaterial: 40CrQuantity: 25.Package List:25 x Hex Screw Extractor1 x Plastic Box