Most digital torque wrenches are accurate to within two percent. You pay more for a better accuracy rating, but generally speaking, all digital torque wrenches are more accurate than their analog ...

Torque wrenches are some of the most important tools for working on cars. How they actually function is supremely interesting ...

Beam torque wrenches have a secondary, small bar that is not subjected to toque and does not move when torque is applied. An analog indicator that displays the torque applied is mounted to the handle.