Proxxon Precision Vice FMZ 

With clamp, made of die-cast zinc
Quickly and securely attaches to workbenches and tabletops up to 60 mm thick.
Alternatively, it can be fixed to any worktop using two standard screws.
Can be rotated and swivelled in all directions (including downwards) thanks to a clampable ball joint.
 
Technical data:
75 mm jaws with protective coating for sensitive workpieces
Wingspan 70 mm
Weight 1.6 kg