Several weeks ago I posted a pair of ‘Old’ *No. 240 Starrett holding pliers. In the interest of those that still do work that requires holding workpieces by hand, I present another version of this is the ones with an adjustable limiting screw.
The advantage of this is mostly in a couple of areas. It limits how much release occurs when you loosen your grip. When closely adjusted, the pliers can be moved slightly on the workpiece without losing control of it.
This is also helpful when holding a piece while grinding or buffing and you need to move where your hand is positioned.
* The current No. 240 is a pin vise