Electronic Torque Wrench Drive Size 1/2 in 12.5 to 250.7 ft-lb Audible and Visual Ratcheting Yes Torque Range (ft-lb) 12.5 to 250.7 ft-lb Torque Range (in.-lbs.) 150 to 3 009 in-lb Torque Range (N-m) 17 to 340 N-m 25 5/8 in Extended Data Testing Yes NIST TAF Clockwise Accuracy +/-2 Percent CW Counterclockwise Accuracy +/-3 Percent CCW Metric SAE