Product description The combined crankshaft wrench from AVTODELO's "Professional" series is used for fastening during car repairs. It is suitable for use in auto repair shops, car services, and service stations, as well as for personal use. - Made of chrome-vanadium steel using the hot forging method with reduced preform temperature. - The working profiles of the wrench are manufactured with increased precision and hardened to a hardness of 39-41 HRC. - It has a standard profile for the open end of the wrench, and an OVER DRIVE profile for the ring end. - The 75-degree angle of the ring end in relation to the plane of the wrench ensures more convenient installation. - Wear-resistant and suitable for long-term use under maximum loads. - Protected against corrosion with a matte chrome-nickel coating. Thanks to the OVER DRIVE profile on the ring end of the wrench, the repair time for vehicles can be significantly reduced. The "Professional" series wrench is perfectly suited for working with undamaged fasteners as well as fasteners with blemishes, bends, and other damages.