Electronically Controlled Torque Wrench. Head Opening Shape: Open End, See Picture. With Limit Switch. . . Tohnichi QL 17X380 SPLS Electronic Torque Wrench, Open End Head Style, LS Plug, With Limit Switch - Pokayoke torque wrench with limit switch output to eliminate missed tightening. Adjustable style torque wrench with limit switch output. Upon reaching the set torque, the torque wrench "clicks" to complete tightening while the limit switch simultaneously sends out a contact signal. A limit switch can be connected to a CNA-4mk3 count checker (sold separately) to easily create a tightening count management system. Signals from the limit switch are captured on a programmable logic controller (PLC) or similar device to establish a Tightening Assurance System using assembly line interlock controls. LS wrenches are supplied with a durable curl cord. Applicable for international use including the EU region. Compliant with ISO 6789 Type II Class B calibration procedures. CSPLS series products are interchangeable head torque wrenches. Tohnichi's interchangeable head lineup offers the best selection in the world, making these wrenches ideal for your work.. Tohnichi. Tohnichi. QL 17X380 SPLS.