• Professional set of damaged nut and bolt extractors made of chrome molybdenum steel, ensuring high hardness and durability • The reverse screw design and 3/8 inch opening allow for easy removal of damaged or rusted nuts, providing a secure grip and minimizing the risk of slipping or breaking • Black coating on the surface offers excellent resistance to oxidation and increases hardness thanks to secondary heat treatment • Versatile and compatible with different tools, such as manual ratchets, impact wrenches, and pneumatic ratchets • The set includes 13 nut extractor pieces in different sizes: 1/4 inch, 8 mm, 3/8 inch, 10 mm, 11 mm, 12 mm, 1/2 inch, 13 mm, 9/16 inch, 16 mm, 17 mm, 11/16 inch, and 19 mm, covering a wide range of needs • Practical for workshops and toolboxes, making it easier to remove nuts and bolts in various situations