Novel wrench

The utility model provides a novel wrench, including setting up drive division and the connecting portion on wrench body, the drive division includes U type drive draw -in groove, U type drive draw -in groove includes two parallel arrangement's age of a draught animal board, and the U -shaped card slot bottom is equipped with curved transition surface, the drive division forms an opening, trilateral closed drive draw -in groove, the unilateral of spanner drive division or the side of two sides are equipped with first component, first member forms an opening, trilateral confined structure along the drive draw -in groove. The utility model discloses have first component can provide full -time driven tetrahedron drive structure to have better wear -resistant effect, in the use, can rationally select the working position according to the condition of screw, simple structure, convenient to use, the wrench function maximize embodies.