What I think this is: The Bitmoore Central Forge Cross Slide Drill Press Vise is a reliable and durable tool for metal milling applications. This 2-way X-Y benchtop vise allows for precise and accurate holding of workpieces, making it essential for CNC machining and other metalworking processes. With a sturdy construction and convenient cross slide function, this vise from Central Forge is a valuable addition to any workshop or manufacturing facility. Says 7x8 on a top edge.
Inherited item so no personal work experience with it. Weighs a ton. I do know the owner was very particular about his tools.