ARM302-4S 1/2" Digital Torque Adapter
Rated 3.5/5 based on 11 customer reviews
Buy Direct

ARM302-4S 1/2" Digital Torque Adapter

  • Availability: In Stock
£99.99 £89.99
Hurry! only 17 left in stock!
  • Order within
Ask about this product
Your message has been successfully sent to the store owner!
With our strive for continuous development, this is our most accurate adaptor yet; instantly transform your ratchet into an easy-to-use torque wrench. Supplied with steel presentation case this premium ACDelco digital torque adaptor is a vital tool for any mechanic working on engine rebuilds to tyre fitting.
  • Static torque measurement
  • Standard functions: torque setting, measurement setting, mode setting
  • Operation in both clockwise and anti-clockwise directions
  • Back-lit LCD display shows Nm, kg-cm, in-lb, ft-lb measurements
  • Torque confirmation alerts by flashing LED and buzzer.
  • Easy to set up Set, Peak or Track modes
  • Memory function for up to 30 data sets

Our professional dynamometric digital torque adaptor is engineered with high-quality materials that displays real-time torque values. Fully calibrated to ISO 6789 standards, this wrench provides reliable torque values in any task where accuracy is vital. The adaptor is power-efficient with auto-shutoff after 1 minute and a back-lit LCD screen that beeps when a desired torque value is achieved.


  • Drive Size: 1/2″
  • Torque Range: 17-340 Nm (12.5-250.7 ft-lbs)
  • Battery: CR2032 x2 (included)
  • Accuracy: CW± 1.5%; CCW± 2.5%
  • Calibration: ISO 6789
  • Resolution: 1 kg-lb; 0.1 Nm; 1 in-lb; 0.1 ft-lb, 1˚ measurements
  • Operating Temperature: -10˚C to 60˚C
  • Storage Temperature: -20˚C to 70˚C
  • Dimensions: 55 x 40 x 40mm
  • Weight: 0.18 kg


  • ARM302-4S Digital Torque Adaptor x1
  • Presentation Case with Foam Insert x1
  • CR2032 coin cell battery x2
  • Small screwdriver x1
  • ISO 6789 Calibration Certificate x1
  • Manual x1