Palmgren 4" Ball VisePalmgrens new 4 ball bench vise is an extremely versatile workholding tool that lets you position your work at multiple angles without having to reposition the workpiece. Easy to use, the vise body can be clamped at any point by the side locking lever. Using this vise is like having an extra hand allowing for hundreds of different applications making your bench top work easier and more productive. Optional Clamp Base sold separately.