1/2" Drive Micrometer Torque Wrench 30-250 ft-lbs. Accurate in Clockwise Direction +/- 3% from 20% to 100% of Full Scale. Meets ISO 6789 Specifications. Meets or Exceeds ASME B107.300-2010. Thin Profile, Sealed Tear-Drop Head Design for Access & Durability. Pull Adjustment Collar for Easy and Quick Torque Setting Changes. Stamped Scale on Beam & Thimble Collar for Durability and Visibility. Knurled Anodized Aluminum Handle for Comfortable Grip. Mid-Point on Handle Clearly Marked for Accuracy 85066