Knocking double offset ring spanner

The utility model discloses a knocking double offset ring spanner, which relates to the technical field of hardware tools and comprises a spanner body, a sleeve is arranged at one end of the spanner body, a double offset ring spanner opening is arranged on the sleeve, an iron block is fixed in the middle of the sleeve, and a magnet is arranged on one side, close to the double offset ring spanner opening, of the iron block. The magnet is connected with the iron block through a bolt and a nut. Compared with the prior art. The bolt head or the nut of the large positioning bolt of the rolling mill is firmly attracted through the magnet, and the wrench rotates along with the bolt head or the nut in the beating process and is not prone to falling off. The work originally completed by cooperation of two persons can be completed independently by one person now, the labor intensity of workers is relieved, the working efficiency is effectively improved, meanwhile, potential safety hazards caused by wrong cooperation of