The Palmgren 9612421 4″ Quick Action Vise is a reliable bench vise that can hold your workpiece securely. It provides you with the ability to make precision adjustments, and it has an adjustable screw stop for repeat positioning. This quick action vise features a large jaw opening of 4 in.. The Palmgren 9612421 4″ Quick Action Vise will help you get your projects done with accuracy and speed.