When you need to tighten bolts and nuts, the CDI 1503MFRMH Micrometer Torque Wrench is the tool for the job. The accuracy of this micrometer torque wrench is +/-4% CW and +/-6% CCW at 20 to 100% of full scale. The secondary scale has a range of 34 N-m to 197 N-m, while the primary scale has a range of 20 in-lb to 150 in-lb. This foot pound micrometer torque wrench can be used clockwise or counterclockwise. It has an alloy steel material that makes it durable enough for daily use. You will want this CDI Micrometer Torque Wrench when you are tightening bolts and nuts on your next project.