Electro Group Adjustable Hex Torque Screwdriver, 0.16 → 0.8Nm, 1/4 in Drive, ±6 % Accuracy

These Drivers must be pre-set using a suitable Torque Analyser, but are adjustable independently on the window scale. However where a calibrated value is required we suggest the use of the torque calibration analyser. Micro Adjustable Torque Screwdrivers. Micro-adjustable torque screwdriver Window scale and precise, positive locking, pullout adjustment knob Stainless steel 1/4" hexagon driver for all standard drive bits Spring-loaded high -security bit holder for convenience and safety Model MA500-1 Works in a clockwise direction only