Vibrating glow plug extractor.

Square drive: 6.3 mm (1/4 ")
   Working pressure: 6,2Bar
4 torque settings: 10 to 50 Nm
    
contents.

1 Low speed pneumatic impact wrench.
1 joint.
2 extensions 50 and 100mm
5 sockets for glow plugs 8, 9, 10, 11 and. 12mm

Use:
Start with torque speed 1 and keep the vibrations for at least 30 seconds on the glow plug.
Increase the torque continuously by turning the knob to the right.
then exert again for at least 30 seconds of vibration / torque on the glow plug, until you felt the spark plug come free. For very seized glow plugs, maintain the vibrations of at least 1 Mn per progressive torque .