1492TSD | Teng 1/4in Dr. Torque Screwdriver 1-5Nm 1/4 drive torque screwdriver covering 1-5Nm Slipper mechanism ensures that no torque is applied beyond the set torque Simple to adjust and easy to read window Nm scale Twist locking facility to ensure the set torque is maintained Accurate to +/- 4% and conforms to ISO6789 for assured reliability and accuracy Individually tested and certified at the time of manufacture Each torque wrench has it s own individual certification number for easier quality control management Supplied in a handy storage case