Feature●The smallest torque wrench in its class on the market. Tested and calibrated according to ISO 6789 and GS2019, accuracy +-4%●Each torque wrench has an individual calibration certificate corresponding to the serial number on the torque wrench●Each torque wrench is calibrated by a computer connected to the machine, then the test is passed by a technician and then a calibration certificate is issued●L27X3X3cm. Extension, Bit Adapter, Adapter 1/4 to 1/2 Dr and Bits H3 4 5 6 8 10 T10 25 30Description