Clamp straps are used to secure different objects which are unsuitable for the machine vice, to a work surface. They are designed primarily so that they can be easily adjusted to fit any workpiece. During use you should make sure that the clamp strap is always positioned parallel to the table surface or mounting plate.
These open-U clamp straps have a flat pin on the heel.
The norelem range includes open-U clamp straps with flat pin in numerous variations.