1. To prevent any possible miss during the tightening operation of screw.
2. To prevent the screw not to turn the hole bottom, the idling of screw and stripping of screw threads.
3. Password be provided to prevent unauthorized ingress and modification of setting parameters.
4. Lock device is furnished to prohibit improper operation when the operator take a break.
5. The main screen display OK/NG quantity.
6. 10 sets of memory are provided, and recall to shn the pepeat setting.
7. It is installed with quantitative counter are 60,000 pieces.
8. To regulate a accuracy according to actual tightening condition.
9. To regulate a fine tuning according to actual tightening condition.