7770 Open end insert, 9x12 mm, 12 x 39 mm The Wera open end insert, for hexagon screw heads or nuts for torque wrenches of the Click-Torque X series with 9x12 mm holder. 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 Application: Hexagon screw heads or nuts Drive 9x12 mm for torque wrenches of the Click-Torque X and XP series with 9x12 mm holder Design Forged, chrome vanadium steel, matt chrome plated with safety pin