Digital Rotary Peak Torque Meter. Compact Handheld Cordless Sensor . Ideal for Checking Nutrunner Torque Output. Place Unit Directly Between Tool and Fastener . Ideal for Testing Torque Output of Torque Wrenches or Pneumatic Tools on the Fastener Expanded 999 Data Memory. New USB Port. Additional CCW Function. Improved Resolution; Accuracy +/1% + 1 Digit . 10 Hours Battery Life on 2 Hour Charge . Torque Range (MIN - MAX) Metric 40 - 200 kgf.cm Graduation .2 kfg.cm. Square Drive 9.5 mm 3/8 in . 1. Standard Accessories Include: BC-4 AC Adapter, USB Driver Disc, USB Cable Caution: Not for use with impact wrenches