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1/4 Inch Drive Dual-Direction Micrometer Torque Wrench (10-150 in.-lb.)

  • Wrench emits a click that can be heard and felt when the preset value is reached
  • Ships pre-calibrated to an accuracy of +/- 4% (clockwise) and +/- 6% (counterclockwise)

Download Product Manual


±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
TEKTON Micrometer Torque Wrench Video Thumbnail

See How it Works


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


1/4 Inch Drive Dual-Direction Micrometer Torque Wrench (10-150 in.-lb.)

Specs for 1/4 Inch Drive Dual-Direction Micrometer Torque Wrench (10-150 in.-lb.)
Drive Size
1/4 inch
Torque Range
10 - 150 in.-lb.
Torque Range N-m
1.1-16.9 Nm
±4% Clockwise ; ±6% Counterclockwise
Measuring Direction
Scale Increment
1.0 in.-lb. ; 0.11 Nm
Tooth Count
Country of Origin
Item Weight
0.8 lb.