The utility model discloses a torque spanner, include: pull head, wrench body and connection structure, wherein, be equipped with a fluting on wrench body's the first terminal surface, connection structure's first end with pull first fixed connection, the second end is inserted and is located in the fluting. The utility model discloses guarantee that off -gauge head of pulling can adopt this wrench body to realize turning round the function surely, avoid the standard to pull pretext in the restriction that receives installation space, lead to torque spanner to carry out the problem of fastening to the fastener to improve the commonality of this torque spanner under multiple operating mode, and be favorable to practicing thrift the cost.