Commercially available small vise with a clamp to hold or to tighten to the table — depending on the workpiece. However, along with this advantage there is a disadvantage: if we clamp the workpiece slightly greater than the maximum distance of separation of the jaws, it is impossible to fix. This case is made of steel sheet thickness 2 — 3 mm here is a Widener-attachment: in the same vise will be able to strengthen parts of large dimensions.
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