Product Description The socket ball joint wrench by AUTO PART is used for fastening during car repairs. It is suitable for use in car workshops, car services, and also at home. - Made of chrome-vanadium steel using the hot stamping method at reduced blank temperatures. - The working profiles of the wrench are hardened to a hardness of 39-41 HRC. - It has a standard profile on the open end of the wrench and a twelve-sided profile on the socket end. - The ball joint socket end of the wrench provides easier installation. - Protected from corrosion by a matte chrome-nickel coating. Thanks to the ball joint design on the socket end of the wrench, the repair time for cars in hard-to-reach areas is significantly reduced.