Use: · Controlled screw tightening in the range 0.05 - 13.5 N·m · Serial manufacture with constant tightening value · Electronic industry, precision mechanics and industrial manufacturing Features: · Pre-set torque screwdriver without a scale · With 1/4" female hexagon drive for use with 1/4" hexagon bits as per DIN 3126 - C 6.3 · Classified to DIN EN ISO 6789:2017 Type II Class F, with a factory certificate allowing for operations to be traced back · Calibrated to a permitted +/- 6 % deviation of the set torque · Precision radial ball clutch and cam design for controlled bi-directional tightening · Precision mechanism slips very noticeably through when set torque is reached · Automatic resetting to the starting position · Fatigue-free working due to an ergonomic hand grip and a smoth tool reset action · Calibration stickers can be easily applied to the purpose designed nose · The pre-setting can be made at the factory or by the user on suitable torque testers · If ordering, please spe