ACDelco ARM303-4A-340 1/2鈥?(12.5 to 250.7 ft-lbs.) Heavy Duty Digital Torque Wrench with Buzzer and LED Flash Notification

ACDelco ARM303-4A-340 1/2鈥?(12.5 to 250.7 ft-lbs.) Heavy Duty Digital Torque Wrench with Buzzer and LED Flash Notification


The ACDelco Brand has been around well over 100 years and its name has become synonymous with quality & reliability. ACDelco power tools are built for people who make a living with their tools, day in and day out, and require exceptional sturdiness and reliability.


  • Static torque measurement
  • Standard functions: torque setting, measurement setting, mode setting
  • Operation in both clockwise and counterclockwise directions
  • LCD display shows (Kg-cm, N-m, in-lbs., ft-lbs.) measurements
  • Torque Measurement Range: 12.5 鈥?250.7 ft-lbs., Pre-set Accuracy CW +/- 1.5%, CCW +/- 2.5%.
  • Digital torque: reversible, precision geared 72-tooth ratchet head measures torque in clockwise & counter-clockwise directions with anti-slip industrial grade grip design.
  • Audible & visual alert system


  • Model Number: ARM303-4A-340
  • Head Size: 1/2″
  • Torque Range: (12.5 to 250.7 ft-lbs.)
  • Tool Weight: 6.6 lbs. (3.00 kg)
  • Battery: 2 AA batteries (Not included)

Easy to Use

Our lightweight, heavy duty, and professional (12.5 to 250.7 ft-lbs.) torque digital torque wrench is engineered with high-quality materials that displays real-time torque values, settings, battery level, measurement modes in (Kg-cm, N-m, in-lbs., and ft-lbs.). Excellent tool for tiny, tight, and narrow working environment, but also reliable torque values that is ideal for professionals, automotive, motor bikes, and many other industrial uses.

Superior Quality

ACDelco is long known for its stellar quality and this tool is no different. It offers speed, accuracy, and an easy to read LCD screen that beeps when a desired torque value is achieved. Our digital torque wrench is also highly efficient, with longer lifespan and industrial grade alloy metal engineered to last years or even decades to come with proper uses.


Lightweight composite housing and harden steel alloy body construction with ergonomic soft grip handle design provides comfort for long working hours and a secure grip for maximum control and steadiness. Slim body design molded to securely fit and balance hand torque to help reduce vibration and fatigue with less wear on your hands.

Value Kit

Our kit comes with a digital torque wrench, a manual of instructions and guidance, and a hard-shell case that protects and secures the tool once it is done using. This tool is powered by 2 AA batteries (not included).

100% Satisfaction Guaranteed

For over 35 years we have been manufacturing and providing the best products and services to our customers at the lowest prices possible. We are confident that you will absolutely love our digital torque wrench that we will stand behind our product with a replacement or your money back! Every purchase comes with a manufacturer’s limited 1-year warranty, so you can buy with confidence!