| In RSPK type wrench, thehead form is designed at an angle of 45丒ring pattern, therefore itis especially available to opposite side of bolts (nuts). Thetorque is preset at a specified value. If nuts are tightened, whenit attains to the set torque, it can be recogni- zed by sound andfeeling that tightening is imple- mented. After tightening, if thehand is loosened, the inner mechanism will be automaticallyreturned, while the user can transfer to next job. |