Torque conversion

MQSP / MPQL / MQL Torque Verification Wrench

RoHS Prevents human tightening errors (Pokayoke) Preset Adjustable / Pre-lock Ratchet Head Torque Graduation Quick Drying Ink


  • Pokayoke (error-proofing) marking torque wrench. Lets you make direct visual checks for bolt tightening errors.
  • When the torque wrench is activated the bolt head is marked.
  • Oversight preventable by quick visual check on the bolts.
  • Marking is not done until set torque is achieved.
  • Marking stays on by use of quick dry ink.
  • Extending the socket with the extension bar permits tightening and marking in deeply inset places.
  • Ink cartridges are easy to install inside specialized socket.
  • Only hand force required for tightening a bolt and marking the bolt simultaneously.
  • One refill of ink is capable of approximately 6,000 times of stamping.
  • Height of the stamp is adjustable (±5 mm).
  • Applicable for international use including the EU region.
  • Compliant with ISO 6789 Type II Class B calibration procedures.

Standard accessories

MPQL standard accessory: Hex key for torque adjustments


product dimensions MQSP product dimensions MPQL50N~200N4