I'm glad i chose it over cheaper wrenches that likely wouldn't last or properly calibrate. It does the job effortlessly.

It covers a wide torque range up to 147 ft-lbs, which is plenty powerful for most automotive needs. Powered by 4 aaa batteries, the door is securely fastened with two screws.

The acdelco arm601-4 provides reliable and accurate high torque capability without breaking the bank. The wrench beeps when you reach the set torque value so you know when to stop. The feature that logs the max torque, so when you are in an awkward po...  Read More

This wrench is built sturdily and has a nice weighted feel. The molded case it comes with is also handy for storage and protection. Very sturdy construction.

Torque wrench starts peeping approx 5 nm before you reach the nm you have set. Product was suppose to include 2 aaa batteries and 1 lithium battery.

The tool may have been calibrated incorrectly. The description claims 4lbs but this is not accurate. From a design engineering standpoint, i wonder if the people who made this have never worker on cars.