1/4" Mechanical Torque Wrench:Are you concerned about over-tightening or under-tightening bolts and causing damage to your instruments or equipment? Look no further than high-precision mechanical torque wrench! With an accuracy up to ±3%, this torque wrench tool is ideal for repairing precision and valuable instruments, as well as automobiles. Constructed from heat-treated chrome vanadium steel, this torqur wrench is capable of providing tens of thousands of uses, making it an invaluable asset for high-end repairs.