Wera 7770 Series Series Open Ended Insert Open end insert, 17 mm, 9 x 12mm Insert

The Wera open end insert, for hexagon screw heads or nuts

Square insert tool 9x12 mm
For torque wrenches of the Click-Torque X series with 9x12 mm holder
Application: Hexagon screw heads or nuts
With safety pin
The chrome-vanadium steel version makes the plug-in tools suitable for heavy loads

Hexagon screw heads or nuts Drive 9x12 mm