Easily remove damaged or rusted nuts with this high-quality Bolt Extractor Kit, designed for simplicity and efficiency. Crafted from durable Cr Mo steel with a black phosphating finish, this set offers excellent hardness and resistance to oil and rust, ensuring long-lasting performance. The kit includes four metric sizes—17mm, 19mm, 21mm, and 22mm—making it versatile and compatible with a wide range of nut sizes for industrial repairs, automotive maintenance, and home projects. Key Features: · Simple Operation: Use a hammer to drive the extractor onto the damaged nut, then loosen it counterclockwise with a 1/2 inch square wrench for quick and effective removal. · Multiple Sizes Included: Four extractor sizes (17mm, 19mm, 21mm, 22mm) cover common nut dimensions, providing flexibility for various applications. · Durable Cr Mo Steel Construction: Made from high hardness chromium-molybdenum steel, enhanced with black phosphating treatment to resist oil, rust, and wear. · Wide Application Range: Ideal for industrial repairs, automotive work, home improvement, and other everyday nut removal tasks. · Convenient Storage Box: All extractors are organized in a compact storage case, ensuring easy portability and preventing loss. Specifications: · Material: Cr Mo Steel with Black Phosphating Treatment · Sizes: 17mm, 19mm, 21mm, 22mm · Extractor Inner Diameter: 1/2 inch Package Includes: · 1 x Bolt Extractor Kit (4 Sizes) This Bolt Extractor Kit combines durable materials with practical design to help you tackle stubborn nuts effortlessly. Its versatile sizes and convenient storage solution make it an essential addition to any toolbox for professional or DIY use.