Torque wrench

A torque wrench comprising:

• a tubular body having a first end thereof with a head portion pivotally connected thereto and a second end having a cap movably connected thereto, said head portion having a neck inserted in said body and said neck having a concave end from which a tongue extends, two first springs respectively extending from an inner periphery of said body and contacting said neck, and
• a mediated member movably received in said body and having a first end from which a stub extends and a second end from which a rod extends, a second spring mounted to said rod and urged between said cap and said mediated member, said stub having a sphere end movably received in said concave end of said neck, a shoulder portion defined on said mediated member and surrounding said stub, said tongue movable between a first position where said tongue contacts an outer periphery of said mediated member, and a second position where said tongue contacts against said shoulder portion.