Fixed torque wrench for series assembly, 1/4" hexagon socket for 1/4" bits-C 6.3, With slip clutch for error proof controlled right and left hand tightening, It is not possible to over-tighten the screw, Test certificate according to DIN EN ISO 6789, permissible deviation of +/- 6 %, Precision mechanism slides through clearly noticeable and audible (CLICK and slip ) when the set value is reached-overtightening is not possible, If ordering, please specify the N·m value-if a fixed factory pre-setting is desired (price on request), Fatigue-free working through ergonomic handle, Models 4.5 and 13.5 with additional removable T-bar for ease of use, EPA (Electrostatic Protected Area) compliant