Open end insert 7770 9x12 7 mm

Wera's open-end wrench shaped socket head. Designed for Click-Torque X series torque wrenches.

- Socket heads = mm
- For square sockets 9 x 12
- With safety pin
- Thanks to chrome-vanadium steel, the socket head tools can handle a lot of load
- Application: Hexagon head bolts and nuts