Use: Controlled screw tightening in the range of 0.2 - 1.5 N · m, Serial manufacture with constant tightening value, Precision mechanics and industrial manufacturing, Basic model, Features: Pre-set torque screwdriver - without scale, With 1/4" female hexagon drive for use with 1/4" hexagon bits as per DIN 3126 - C 6.3, Working accuracy: +/- 10 % toleran