The torque screwdriver is designed to perform the screwing process precisely and reproducibly with the correct tightening torque. The torque (0.05 to 0.6 N m) can be selected and preset on the torque screwdriver. It features a 6.3 mm (¼ inch) hex bit holder with a clamping ball. The torque can be adjusted to the desired size using a knurled screw. The set value can then be locked. The screwdriver has an overall length of 105 mm. Useful accessories include an extension (110 mm) and a bit adapter from 6.3 mm to 4 mm bits.