±4% and ±6% Accuracy

With an accuracy of ±4% (CW) and ±6% (CCW), this dual-direction wrench is calibrated according to the ASME B107.300-2010 standard.

Example at 100 in.-lb.


Chart Showing Tekton Micrometer Torque Wrench Maximum Expected Error

Maximum Expected Error


Accuracy: the maximum expected error between the torque value on the wrench’s dial and the actual force the wrench exerts on a fastener

Micrometer Design and Operation

TEKTON Micrometer Torque Wrench Cutaway

Proper storage: To maintain calibration, store micrometer-style wrenches at their lowest setting. Tekton's TRQ21101 should be stored at 10 in.-lb.

Dual-Direction Measurement

Drives and measures torque in both clockwise and counterclockwise directions

TEKTON Micrometer Torque Wrench Drive Direction
TEKTON Micrometer Torque Wrench Scale

Dual-Range Scale

High-contrast, easy-to-read scale is marked with in.-lb. and Nm units

Spring-Loaded Locking Collar

Pulls down smoothly so you can turn the handle to the desired torque setting—let go, and the setting locks in place

TEKTON Micrometer Torque Wrench Setting Lock
TEKTON Micrometer Torque Wrench Quick Release

Quick-Release Drive

Easily drops sockets off the drive tang with the push of a button