300 - 1400 kgf.cn Metric Interchangeable Head Adjustable Torque Wrench with Limit Switch.Limit Switch counts the number of "Clicks" when connected to PLC or Tohnichi's CNA-4mk2 Count Checker Graduation: 10 kgf.cn - 14 7/16" OAL Torque value set with external scale and knob.