Ratchet wrench with tooth breakage resistance

A ratchet wrench comprising:

• a body including a driving hole and a transmission hole intersecting with the driving hole, with the driving hole including an inner periphery having a toothed portion with a plurality of teeth, with the inner periphery of the driving hole including two adjoining portions on opposite sides of the transmission hole in a circumferential direction of the driving hole, with an arcuate portion extending between the two adjoining portions and extending across the transmission hole in the circumferential direction of the driving hole;
• a driving device rotatably received in the driving hole and adapted to drive a fastener, with the driving device including a driving member and two first pawls pivotably mounted to the driving member, with each of the two first pawls including first and second outer toothed sections, with each of the first and second outer toothed sections having a plurality of teeth, with the first and second outer toothed sections of at least one of the two first pawls selectively engaged with the toothed portion of the driving hole;
• a transmission device rotatably mounted in the transmission hole, with the transmission device configured to drive the driving member to rotate relative to the driving hole about a rotating axis;
• and
• a tooth breakage preventing device provided in the arcuate portion and including two contact portions respectively integrally formed on the two adjoining portions, with the two contact portions respectively having two faces, with each of the two faces configured to be selectively in contact with one of the first and second outer toothed sections of either of the two first pawls to prevent tooth breakage between the toothed portion of the driving hole and the one of the first and second outer toothed sections of either of the two first pawls when the body is rotated to provide a ratcheting function for driving the fastener.