Checking/adjustment of right-hand torque wrenches and screwdrivers, Plug & Work = very easy to use, High measurement accuracy: +/- 1% tolerance of reading, +/- 1 digit, Autoreset, Can be switched from N·m to lbf·ft and lbf·in, Serial interface RS232 for PC, Test certificate, Optional: plausibility verification software (Code 2834391)