Inner



ACDelco ARM302-4S 1/2-Inch Drive Digital Torque Adapter 


  • Provides torque setting range of 12.5-250.7 ft-lbs.
  • Memory capacity can store up to 30 sets of data.
  • 2 LEDs flashing (green & red) for visual alert, and audible torque confirmation by means of buzzer.
  • Allows to operate at 14 F degree to 140 F degree.
  • Operation in both clockwise and counter-clockwise directions. Accurary CW +-1.5%; CCW +- 2.5%.
  • LCD display shows N-m (or kg-cm, in-lb, ft-lb) measurements.
  • Turns a ratchet wrench into a digital torque wrench.
  • Static torque measurementStandard functions: torque setting, measurement setting, mode setting.

ACDelco Digital Torque Wrench Family

Most Complete Line For The Pros

When it comes to precise & professional fastening, ACDelco offers the most complete line of digital torque wrench products. All our digital torque wrenches/Adaptor are made with sturdy materials and calibrated in production process to ensure the best quality products will be on your hand

Torque Adaptor Key Features Includes;

  • Various drive size selection: 3/8" & 1/2"
  • Wide range of torque range fits every applications: as low as 3 ft-lbs, or as high as 250 ft-lbs
  • Professional grade features: On top of Peak/Track Modes, Calibration Mode (ARM302-4S)
  • High Accuracy: up to ±1.5%, * Accuracy rating applies from 20% to 100% of max. torque