[High-quality material] This extractor socket set is made of high-hardness, heat-treated chrome-molybdenum steel with a black oxide coating for strength and durability. This impact wrench nut and bolt extractor set makes it easy to remove damaged bolts, nuts, and screws, even if they are machined or rusted, for faster and safer work. [Easy grip] All surfaces of the extractor socket set are precision machined and corrosion resistant. The special internal thread provides excellent tightening torque and firmly grips bolts, nuts, and screws without loosening. The more turns you make, the tighter the sleeve will be without the risk of the assembly slipping or breaking. [Easy to Use] This screw extractor set has flat hexagonal surfaces and can be used with open-end wrenches, pliers, adjustable wrenches, and socket wrenches. Its through hole reaches to the base of long fasteners, ensuring a firm grip. [Superior Performance] The screw extractor makes it easy to remove damaged bolts, nuts, and