Knurled handle for non-slip grip; Easy-to-read stamped scale on beam and thimble collar; Positive lock with spring-loaded pull-down lock ring; Fast, accurate and easy to set; Teardrop ratchet head; 36-tooth gear; Meets ISO 6789 specifications; Calibrated on test equipment complying with ASME B107.300-2010 accuracy requirements; Comes in blow molded storage case with instructions and calibration certificateSpecifications: 40-200 in.-lbs.; 5.1 - 23.2 NM; Length: 11-3/4\"; Accuracy: 4% CW from 20% to 100% of full scaleATD-12500 Owner's Manual; ATD-12500A Owner's Manual; Assembly Drawing