Product Description The adjustable joint socket wrench AUTO-DELO is used for working with fasteners during car repairs. It is suitable for use in auto shops, service centers, and at home. - Made of chrome-vanadium steel using hot stamping method with lowered billet temperature. - The working profiles of the wrench are hardened to a hardness of 39-41 HRC. - It has a standard profile for the open part of the wrench, and a twelve-sided profile for the socket part. - The joint socket part of the wrench provides a more convenient installation. - Protected against corrosion with a matte chrome-nickel coating. Thanks to the joint construction on the socket part of the wrench, the repair time of the car is significantly reduced when working in hard-to-reach areas.