Product Description The double-sided socket wrench AVTODELO is made of chrome-containing steel CRV6150 by hot stamping (forging on hammers). It is used for working with hexagonal threaded fasteners. - Suitable for working with any type of hexagonal fasteners. - The oval-shaped cross-section of the key provides more convenient installation. - The working profiles of the key are thermally hardened to a hardness of 39-41 HRC. - Protected against corrosion by matte chrome plating. The key has a standard profile of the open part of the key called a horn and a convenient working handle. The advantages of a key with such a design are best demonstrated when installing in hard-to-reach areas.