**Product Description: Professional Socket Stud Screw Extractor Tool Set** - **Feature**: This set of stud extractors features an integrated concentric roller bearing design, making operation smooth and easy. It is engineered to remove studs without damaging the thread, ensuring your components remain in top condition. - **Important Parameter**: The set includes a 1/2-inch drive and four sleeves in sizes 6, 8, 10, and 12mm, all designed with a hexagon screw stud style. This variety allows you to tackle a wide range of tasks with precision and ease. - **Material**: Constructed from high-strength chrome tungsten steel, these tools boast exceptional toughness and impact resistance. Their durable build ensures long-lasting performance, even under frequent use in demanding environments. - **Fine Workmanship**: Professionally manufactured with exquisite craftsmanship, this tool set features a unique design that guarantees stable performance and high reliability. Its meticulous construction ensures each tool functions flawlessly. - **Application**: Designed with high precision, the thickened material fits perfectly with 21mm spanners (not included) using the hex drives on the top of the socket. This compatibility makes it a versatile tool for various mechanical and automotive applications. Upgrade your toolkit with this Professional Socket Stud Screw Extractor Tool Set. Its robust construction, precision-engineered design, and versatile functionality make it an essential choice for both professional mechanics and serious DIY enthusiasts looking to handle a variety of extraction tasks efficiently and effectively.