Stahlwille 7161 QuickRelease safety lock size 3

QuickRelease safety lock prevents replacement of the insertion tools. The system is locked onto the head piece of the torque wrench by means of a safety screw. After the protective system has been fitted, an insertion tool can be inserted but can no longer be removed, as the QuickRelease safety release button is locked. The torque wrench can be
used again as a variable tool after the safety screw has been released.A TORX® screwdriver with hole in the tip (No. 4656, size T20, code 46 56 00 20) or a BIT screwdriver bit with hole in the tip (No. 1442, size T20, code 08 16 00 20) can be used to operate the safety screw. for torque wrenches No. 730/5, 730N/5