Cal 36/4 and Cal 40 Adjustable Torque Screwdriver

Bi-directional Accuracy of +/- 6% Indicated Value from 20% to 100% of capacity.
Meets or exceeds ASME B107.300-2010 and ISO 6789.
Incredibly durable; many owners have experienced a service life of 15+ years!
The operator cannot over-torque. Clutch releases automatically when desired torque has been achieved.
The clockwise and counter-clockwise operation for true versatility.
Error Proofing By Design: All of our screwdrivers are impervious to thrust force.
The scale on the shaft is marked in dual increments (in-lb and Nm) on Cal 36/4, kgf•cm on CAL 40.
The magnifying lens improves the view of a clearly engraved scale.
Short dwell increases throughput and reduces repetitive motion injuries.
To operate, simply dial torque setting and insert bit.
Uses standard 1/4″ hex bits, adapters, and sockets.
Anti-backlash design enhances repeatability.
Comes with FREE calibration certificate from our ISO/IEC 17025 Accredited Calibration Laboratory. CAL 36/4 can be ordered with certification for English or Metric units of measure.