Product Description The AVTODELO "Professional" series socket wrench key is used for working with fasteners during car repairs. It is suitable for use in car workshops, auto services, and car maintenance centers, as well as for household use. - Made of chrome-vanadium steel using the hot stamping method at reduced forging temperatures. - The working profiles of the key are manufactured with increased precision and heat-treated to a hardness of 39-41 HRC. - It has a standard profile of the open-end wrench. - Wear-resistant and suitable for long-term use under maximum loads. - Protected against corrosion with a matte chrome-nickel coating. - Equipped with a plastic holder for convenient storage. Thanks to their precise dimensions, the working parts of the key are suitable for use with various types of hexagonal fasteners. Using the socket wrench key significantly reduces the time for car repairs.