I think i vise would need to be more secure than this, but i can think of several other things that this could be useful for. And the could all slip into a single bench
Vises of Your Dreams - by Airframer @ LumberJocks.com ~ woodworking community
On a late night last week I walked slowly from my office to the shop carrying the final piece of my French Oak Plate 11-style workbench: ...
workbench, vice and block
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DIY Bench Vise - Workshop Solutions Projects, Tips and Tricks | WoodArchivist.com
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A solid wood surface, great lighting, a vice to hold down your work, and of course, all-important tools at the ready in the drawers underneath. + it's on casters so it's extremely mobile.