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 400 - 2000 kgf.cm Graduation 2 kfg.cm. Square Drive 12.7 mm 1/2 in . 1. Standard Accessories Include: BC-4 AC Adapter, USB Driver Disc, USB Cable Caution: Not for use with impact wrenches