The KUKKO 49-B is a fine grooved screw extractor set designed for removing screws with diameters ranging from 3 to 24 mm. This set includes multiple extractors, each crafted from high-strength materials for durability and effectiveness. The fine grooves provide a secure grip on stripped or damaged screws, allowing for easy extraction without damaging surrounding materials. Ideal for automotive, industrial, and home applications, this screw extractor set meets industry standards for performance and reliability. A must-have for any toolbox, it simplifies the process of screw removal, saving time and effort.