Combination spanner open WERA square 9x12mm, form A SW 11

With QR code for the correct torque setting

The lasered, abrasion-resistant QR code makes it easier to determine the correct torque value depending on the torque wrench and insertion tool used.
torque spanner and insertion tool used

1. scan the QR code (you will be redirected to www.wera.de/torque-advisor)
2. select the appropriate insertion tool or torque spanner
3. enter the desired target torque
4. read off & set the actual torque value to be set in Nm