Knurled handle for a 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 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 certificate 50-250 ft.-lbs. 74.6 - 345.7 NM Accuracy: ± 4% CW from 20% to 100% of full scale Length: 25-1/2"