4. DEEP SPIRAL TEXTURE: These broken extractors have deep spiral patterns, ensuring reliable tightening, preventing breakage and slipping, and greatly improving work efficiency. 3. Chrome- steel: These removers are made of Chrome- steel , which has high hardness, impact resistance, which is not easy to deform or rust, and has a long service life. 1. MAIN PURPOSE: This extractor set is suitable for various damaged, broken, or stripped screws and bolts, with standard imperial specifications to stable and accurate operation. 2. HEX SHANK: These extractors are equipped with hex shank, can be used with lithium drill, electric wrench, ratchet wrench, or socket, making them easy to install and operate. 5. WIDE APPLICATION: Including 25pcs extractors, with different specifications to meet various needs, widely used in pipeline processing, automotive maintenance, mechanical repair, etc., Manufacturer: Littimoon